MapReduce入門
- MapReduce模板
- Driver模板
- Map模板
- Reduce模板
- WordCount小專案
- Driver類
- Mapper類
- Reducer類
- 集群運行
- 打開集群
- 啟動ZooKeeper：
- 啟動HDFS：
- 啟動YARN
- 上傳檔案
- 運行腳本
- 關閉集群
- 本地運行
- 本地部署
- 二手房數量統計小專案
MapReduce概述
YARN運行Jar腳本
MapReduce模板
撰寫代碼時，要注意導包的問題，全部選擇含Hadoop字眼的包，導錯包將會導致程式無法正常運行，
Driver模板
package com.aa.mode;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.input.TextInputFormat;
import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
public class MRDriverMode extends Configured implements Tool {
//構建、配置、連接、提交Job
public int run(String[] args) throws Exception{
//構建Job
//實體化一個MapReduce的Job物件
Job job = Job.getInstance(this.getConf(), "mode");
//指定允許jar包運行的類
job.setJarByClass(MRDriverMode.class);
//配置Job
//Input：配置輸入
//指定輸入類的型別
job.setInputFormatClass(TextInputFormat.class);//可以不指定，不指定就是用默認值TextInputFormat
//指定輸入源
Path inputPath = new Path(args[0]);//使用第一個引數作為程式的輸入
TextInputFormat.setInputPaths(job,inputPath);
//Map：配置Map...
job.setMapperClass(MRMapperMode.class);//設定呼叫Mapper類
job.setMapOutputKeyClass(Text.class);//設定K2的型別
job.setMapOutputValueClass(Text.class);//這只V2的型別
//Shuffle:配置Shuffle...先寫null占位，再慢慢改
//job.setPartitionerClass(null);//設定磁區器
//job.setSortComparatorClass(null);//設定排序器
//job.setGroupingComparatorClass(null);//設定分組器
//job.setCombinerClass(null);//設定Map端聚合
//Reduce：配置Reduce...
job.setReducerClass(MRReducerMode.class);//設定呼叫reduce的類
job.setOutputKeyClass(Text.class);//設定K3的型別
job.setOutputValueClass(Text.class);//設定V3的型別
//job.setNumReduceTasks(1);//設定ReduceTask的個數，默認為1個，寫不寫都可以
//Output：配置輸出
//指定輸出類的型別
job.setOutputFormatClass(TextOutputFormat.class);//默認就是TextOutputFormat
//設定輸出的路徑
Path outputPath = new Path(args[1]);
//判斷輸出路徑是否存在，存在就洗掉
FileSystem fs = FileSystem.get(this.getConf());
if(fs.exists(outputPath)){
fs.delete(outputPath,true);//使用true為遞回洗掉，可以洗掉目錄
}
TextOutputFormat.setOutputPath(job,outputPath);
//提交Job
return job.waitForCompletion(true)?0:-1;//true會顯示執行程序，該方法內部會submit
}
//程式入口方法
public static void main(String[] args) throws Exception{
//構建配置連接物件
Configuration conf = new Configuration();
//呼叫run方法
int status = ToolRunner.run(conf, new MRDriverMode(), args);
System.out.println("status = " + status);
//退出程式
System.exit(status);
}
}
配置Map與Reduce的引數時，可以先寫null占位（防止報錯），再慢慢改，
Map模板
package com.aa.mode;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;
import java.io.IOException;
public class MRMapperMode extends Mapper<LongWritable, Text,Text,Text> {//這4個引數為：KEYIN, VALUEIN, KEYOUT, VALUEOUT
@Override
protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
//Map處理的邏輯由實際的需求決定
}
}
Reduce模板
package com.aa.mode;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;
import java.io.IOException;
/**
*
*
*/
public class MRReducerMode extends Reducer<Text,Text,Text,Text> {//這4個引數為：KEYIN, VALUEIN, KEYOUT, VALUEOUT
@Override
protected void reduce(Text key, Iterable<Text> values, Context context) throws IOException, InterruptedException {
//Reduce的處理邏輯由實際的需求決定
}
}
以后就可以參照這套模板來寫MapReduce代碼，又回到了Ctrl+C，Ctrl+V改引數的年代，，，
WordCount小專案
Driver類
package com.aa.wordcount;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.input.TextInputFormat;
import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
public class WordCountDriver extends Configured implements Tool {
@Override
public int run(String[] args) throws Exception {
//構建
Job job = Job.getInstance(this.getConf(), "userwc");
job.setJarByClass(WordCountDriver.class);
//配置
job.setInputFormatClass(TextInputFormat.class);
//使用程式的第一個引數作為輸入
TextInputFormat.setInputPaths(job, new Path(args[0]));
job.setMapperClass(WordCountMapper.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(IntWritable.class);
job.setReducerClass(WordCountReduce.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(IntWritable.class);
job.setOutputFormatClass(TextOutputFormat.class);
//使用程式的第二個參數作為輸出路徑
Path outputPath = new Path(args[1]);
FileSystem fs = FileSystem.get(this.getConf());
if (fs.exists(outputPath)) {
fs.delete(outputPath, true);
}
TextOutputFormat.setOutputPath(job, outputPath);
//提交
return job.waitForCompletion(true) ? 0 : 1;
}
public static void main(String[] args) throws Exception {
Configuration conf = new Configuration();
int status = ToolRunner.run(conf, new WordCountDriver(), args);
System.out.println("status = " + status);
System.exit(status);
}
}
Mapper類
package com.aa.wordcount;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;
import java.io.IOException;
public class WordCountMapper extends Mapper<LongWritable, Text,Text, IntWritable> {
//輸出的K2
Text outputKey = new Text();
//輸出的V2
IntWritable outputValue = new IntWritable(1);
//每一條KV呼叫一次map
@Override//直接輸入map就可以重寫
protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
//將每行的內容分割得到每個單詞
String[] words = value.toString().split("\\s+");
//根據給定的正則運算式的匹配來拆分此字串,空格、回車、換行等空白符都可以
//迭代取出每個單詞作為K2，iter，反編譯看到，陣列的增強for回圈遍歷底層還是普通for回圈
for (String word : words) {
//將當前的單詞作為K2
this.outputKey.set(word);
//將K2和V2傳遞到下一步
context.write(outputKey,outputValue);
}
}
}
Reducer類
package com.aa.wordcount;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;
import java.io.IOException;
public class WordCountReduce extends Reducer<Text, IntWritable, Text, IntWritable> {
//輸出V3
IntWritable outputValue = new IntWritable();
//由于K3=K2，直接使用即可，不需要新建變數
@Override
protected void reduce(Text key, Iterable<IntWritable> values, Context context) throws IOException, InterruptedException {
int sum=0;
for (IntWritable value : values) {
//取出當前單詞所有1，進行累加
sum+=value.get();
}
//給V3賦值
this.outputValue.set(sum);
//傳遞到下一步
context.write(key,outputValue);
}
}
集群運行
打開集群
參照集群的開機順序，
啟動ZooKeeper：
cd /export/server/zookeeper-3.4.6/
bin/zkServer.sh status
bin/zkServer.sh start
bin/zkServer.sh status
啟動HDFS：
start-dfs.sh
啟動YARN
start-yarn.sh
使用jps查看行程，
上傳檔案
上傳wc.txt檔案：
cd /export/data/
rz上傳，
創建HDFS目錄：
hdfs dfs -mkdir -p /wordcount/input
復制檔案到HDFS：
hdfs dfs -put /export/data/wc.txt /wordcount/input
查看是否成功：
hdfs dfs -ls /wordcount/input
上傳Maven編譯好的jar包：
cd /export/data/
使用rz上傳，
運行腳本
使用YARN運行jar腳本：
yarn jar /export/data/day210426-1.0-SNAPSHOT.jar com.aa.wordcount.WordCountDriver /wordcount/input/wc.txt /wordcount/output1
運行程序：
[root@node1 data]# yarn jar /export/data/day210426-1.0-SNAPSHOT.jar com.aa.wordcount.WordCountDriver /wordcount/input/wc.txt /wordcount/output1
21/04/26 20:23:27 INFO client.RMProxy: Connecting to ResourceManager at node3/192.168.88.11:8032
21/04/26 20:23:27 INFO input.FileInputFormat: Total input paths to process : 1
21/04/26 20:23:28 INFO mapreduce.JobSubmitter: number of splits:3
21/04/26 20:23:28 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1619438325526_0002
21/04/26 20:23:28 INFO impl.YarnClientImpl: Submitted application application_1619438325526_0002
21/04/26 20:23:28 INFO mapreduce.Job: The url to track the job: http://node3:8088/proxy/application_1619438325526_0002/
21/04/26 20:23:28 INFO mapreduce.Job: Running job: job_1619438325526_0002
21/04/26 20:23:39 INFO mapreduce.Job: Job job_1619438325526_0002 running in uber mode : false
21/04/26 20:23:39 INFO mapreduce.Job: map 0% reduce 0%
21/04/26 20:24:00 INFO mapreduce.Job: map 9% reduce 0%
21/04/26 20:24:03 INFO mapreduce.Job: map 10% reduce 0%
21/04/26 20:24:06 INFO mapreduce.Job: map 12% reduce 0%
21/04/26 20:24:07 INFO mapreduce.Job: map 13% reduce 0%
21/04/26 20:24:09 INFO mapreduce.Job: map 14% reduce 0%
21/04/26 20:24:10 INFO mapreduce.Job: map 18% reduce 0%
21/04/26 20:24:13 INFO mapreduce.Job: map 20% reduce 0%
21/04/26 20:24:15 INFO mapreduce.Job: map 22% reduce 0%
21/04/26 20:24:16 INFO mapreduce.Job: map 24% reduce 0%
21/04/26 20:24:18 INFO mapreduce.Job: map 25% reduce 0%
21/04/26 20:24:19 INFO mapreduce.Job: map 28% reduce 0%
21/04/26 20:24:21 INFO mapreduce.Job: map 31% reduce 0%
21/04/26 20:24:22 INFO mapreduce.Job: map 32% reduce 0%
21/04/26 20:24:24 INFO mapreduce.Job: map 35% reduce 0%
21/04/26 20:24:25 INFO mapreduce.Job: map 36% reduce 0%
21/04/26 20:24:27 INFO mapreduce.Job: map 39% reduce 0%
21/04/26 20:24:28 INFO mapreduce.Job: map 40% reduce 0%
21/04/26 20:24:31 INFO mapreduce.Job: map 43% reduce 0%
21/04/26 20:24:32 INFO mapreduce.Job: map 45% reduce 0%
21/04/26 20:24:34 INFO mapreduce.Job: map 47% reduce 0%
21/04/26 20:24:35 INFO mapreduce.Job: map 48% reduce 0%
21/04/26 20:24:37 INFO mapreduce.Job: map 52% reduce 0%
21/04/26 20:24:39 INFO mapreduce.Job: map 53% reduce 0%
21/04/26 20:24:40 INFO mapreduce.Job: map 55% reduce 0%
21/04/26 20:24:42 INFO mapreduce.Job: map 56% reduce 0%
21/04/26 20:24:43 INFO mapreduce.Job: map 58% reduce 0%
21/04/26 20:24:45 INFO mapreduce.Job: map 60% reduce 0%
21/04/26 20:24:46 INFO mapreduce.Job: map 64% reduce 0%
21/04/26 20:24:49 INFO mapreduce.Job: map 65% reduce 0%
21/04/26 20:24:52 INFO mapreduce.Job: map 68% reduce 0%
21/04/26 20:24:54 INFO mapreduce.Job: map 69% reduce 0%
21/04/26 20:24:55 INFO mapreduce.Job: map 71% reduce 0%
21/04/26 20:24:57 INFO mapreduce.Job: map 73% reduce 0%
21/04/26 20:24:58 INFO mapreduce.Job: map 75% reduce 0%
21/04/26 20:25:01 INFO mapreduce.Job: map 77% reduce 0%
21/04/26 20:25:02 INFO mapreduce.Job: map 80% reduce 0%
21/04/26 20:25:04 INFO mapreduce.Job: map 81% reduce 0%
21/04/26 20:25:05 INFO mapreduce.Job: map 85% reduce 0%
21/04/26 20:25:07 INFO mapreduce.Job: map 88% reduce 0%
21/04/26 20:25:08 INFO mapreduce.Job: map 89% reduce 0%
21/04/26 20:25:10 INFO mapreduce.Job: map 91% reduce 0%
21/04/26 20:25:11 INFO mapreduce.Job: map 93% reduce 0%
21/04/26 20:25:13 INFO mapreduce.Job: map 95% reduce 0%
21/04/26 20:25:14 INFO mapreduce.Job: map 98% reduce 0%
21/04/26 20:25:17 INFO mapreduce.Job: map 100% reduce 0%
21/04/26 20:25:23 INFO mapreduce.Job: map 100% reduce 11%
21/04/26 20:25:26 INFO mapreduce.Job: map 100% reduce 22%
21/04/26 20:25:29 INFO mapreduce.Job: map 100% reduce 67%
21/04/26 20:25:32 INFO mapreduce.Job: map 100% reduce 69%
21/04/26 20:25:35 INFO mapreduce.Job: map 100% reduce 71%
21/04/26 20:25:38 INFO mapreduce.Job: map 100% reduce 74%
21/04/26 20:25:41 INFO mapreduce.Job: map 100% reduce 77%
21/04/26 20:25:44 INFO mapreduce.Job: map 100% reduce 80%
21/04/26 20:25:47 INFO mapreduce.Job: map 100% reduce 83%
21/04/26 20:25:50 INFO mapreduce.Job: map 100% reduce 85%
21/04/26 20:25:53 INFO mapreduce.Job: map 100% reduce 88%
21/04/26 20:25:56 INFO mapreduce.Job: map 100% reduce 90%
21/04/26 20:25:59 INFO mapreduce.Job: map 100% reduce 92%
21/04/26 20:26:02 INFO mapreduce.Job: map 100% reduce 95%
21/04/26 20:26:05 INFO mapreduce.Job: map 100% reduce 98%
21/04/26 20:26:08 INFO mapreduce.Job: map 100% reduce 100%
21/04/26 20:26:08 INFO mapreduce.Job: Job job_1619438325526_0002 completed successfully
21/04/26 20:26:09 INFO mapreduce.Job: Counters: 49
File System Counters
FILE: Number of bytes read=1679368168
FILE: Number of bytes written=2519541603
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
HDFS: Number of bytes read=380018507
HDFS: Number of bytes written=82
HDFS: Number of read operations=12
HDFS: Number of large read operations=0
HDFS: Number of write operations=2
Job Counters
Launched map tasks=3
Launched reduce tasks=1
Data-local map tasks=3
Total time spent by all maps in occupied slots (ms)=277120
Total time spent by all reduces in occupied slots (ms)=55989
Total time spent by all map tasks (ms)=277120
Total time spent by all reduce tasks (ms)=55989
Total vcore-milliseconds taken by all map tasks=277120
Total vcore-milliseconds taken by all reduce tasks=55989
Total megabyte-milliseconds taken by all map tasks=283770880
Total megabyte-milliseconds taken by all reduce tasks=57332736
Map-Reduce Framework
Map input records=33308000
Map output records=79388000
Map output bytes=680908000
Map output materialized bytes=839684018
Input split bytes=315
Combine input records=0
Combine output records=0
Reduce input groups=6
Reduce shuffle bytes=839684018
Reduce input records=79388000
Reduce output records=6
Spilled Records=238164000
Shuffled Maps =3
Failed Shuffles=0
Merged Map outputs=3
GC time elapsed (ms)=8971
CPU time spent (ms)=212670
Physical memory (bytes) snapshot=1000062976
Virtual memory (bytes) snapshot=8431161344
Total committed heap usage (bytes)=731906048
Shuffle Errors
BAD_ID=0
CONNECTION=0
IO_ERROR=0
WRONG_LENGTH=0
WRONG_MAP=0
WRONG_REDUCE=0
File Input Format Counters
Bytes Read=380018192
File Output Format Counters
Bytes Written=82
status = 0
筆者的老爺機很吃力呢：
在node1:50070可以看到：
可以看出，自己寫的wordcount程式計算出了正確的結果，和官方自帶的示例程式相比，可以洗掉原有目錄，
在node3:8088還可以看到提交過的MapReduce任務，
參照HDFS集群關機順序關閉集群，
關閉集群
參照關閉集群的順序，
node1關閉HDFS：
stop-dfs.sh
關閉YARN：
stop-yarn.sh
3臺機關閉ZooKeeper：
cd /export/server/zookeeper-3.4.6/
bin/zkServer.sh stop
3臺機斷電：
poweroff
本地運行
扔集群運行還是比較麻煩的，好在Java可以跨平臺，在本地運行也可以測驗代碼的正確性，
package com.aa.wordcount_local;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.Reducer;
import org.apache.hadoop.mapreduce.lib.input.TextInputFormat;
import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import java.io.IOException;
public class WordCountLocal extends Configured implements Tool {
@Override
public int run(String[] args) throws Exception {
//構建
Job job = Job.getInstance(this.getConf(), "userwc_local");
job.setJarByClass(WordCountLocal.class);
//配置
job.setInputFormatClass(TextInputFormat.class);
//使用程式的第一個引數作為輸入
TextInputFormat.setInputPaths(job, new Path(args[0]));
job.setMapperClass(WCMapper.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(IntWritable.class);
job.setReducerClass(WCReducer.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(IntWritable.class);
job.setOutputFormatClass(TextOutputFormat.class);
//使用程式的第二個引數作為輸出路徑
Path outputPath = new Path(args[1]);
FileSystem fs = FileSystem.get(this.getConf());
if (fs.exists(outputPath)) {
fs.delete(outputPath, true);//true為遞回洗掉
}
TextOutputFormat.setOutputPath(job, outputPath);
return job.waitForCompletion(true) ? 0 : -1;
}
public static void main(String[] args) throws Exception {
Configuration conf = new Configuration();
int status = ToolRunner.run(conf, new WordCountLocal(), args);
System.out.println("status = " + status);
System.exit(status);
}
public static class WCMapper extends Mapper<LongWritable, Text, Text, IntWritable> {
//輸出的K2
Text outputKey = new Text();
//輸出的V2
IntWritable outputValue = new IntWritable(1);//由于是平權的，使之恒=1便可以計數
@Override
protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
//將每行的內容分割得到每個單詞
String[] words = value.toString().split("\\s+");
//迭代取出每個單詞作為K2
for (String word : words) {
//將當前的單詞作為K2
this.outputKey.set(word);
//將K2和V2傳遞到下一步
context.write(outputKey,outputValue);
}
}
}
public static class WCReducer extends Reducer<Text,IntWritable,Text,IntWritable>{
//K3=K2，不需要重復定義變數
//輸出V3
IntWritable outputValue = new IntWritable();
@Override
protected void reduce(Text key, Iterable<IntWritable> values, Context context) throws IOException, InterruptedException {
int sum=0;
for (IntWritable value : values) {
sum+=value.get();
}
//給V3賦值
this.outputValue.set(sum);
//傳遞到下一步
context.write(key,this.outputValue);
}
}
}
當放到同一個類中時，Mapper和Reducer必須申明為static（別問我為神馬），
本地部署
Hadoop本地環境變數配置
配置成功后可以在本地運行，idea中進行如下設定：
Run→Edit →Configus
修改內容為：
com.aa.wordcount_local.WordCountLocal
傳遞的2個路徑變數使用空格隔開：
E:\bigdata\2021.4.26\wc.txt E:\bigdata\2021.4.26\result
Apply之后即可直接運行，
運行程序：
"C:\Program Files\Java\jdk1.8.0_241\bin\java.exe" "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2019.3.5\lib\idea_rt.jar=59719:C:\Program Files\JetBrains\IntelliJ IDEA 2019.3.5\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_241\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_241\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_241\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_241\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_241\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_241\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_241\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_241\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_241\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_241\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_241\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_241\jre\lib\ext\sunmscapi.jar;C:\Program 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Files\apache-maven-3.3.9\Maven_Repository\org\hamcrest\hamcrest-core\1.3\hamcrest-core-1.3.jar" com.aa.wordcount_local.WordCountLocal E:\bigdata\2021.4.26\wc.txt E:\bigdata\2021.4.26\result
21/04/26 21:26:22 INFO Configuration.deprecation: session.id is deprecated. Instead, use dfs.metrics.session-id
21/04/26 21:26:22 INFO jvm.JvmMetrics: Initializing JVM Metrics with processName=JobTracker, sessionId=
21/04/26 21:26:24 WARN mapreduce.JobResourceUploader: No job jar file set. User classes may not be found. See Job or Job#setJar(String).
21/04/26 21:26:24 INFO input.FileInputFormat: Total input paths to process : 1
21/04/26 21:26:24 INFO mapreduce.JobSubmitter: number of splits:12
21/04/26 21:26:24 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_local588307001_0001
21/04/26 21:26:24 INFO mapreduce.Job: The url to track the job: http://localhost:8080/
21/04/26 21:26:24 INFO mapreduce.Job: Running job: job_local588307001_0001
21/04/26 21:26:24 INFO mapred.LocalJobRunner: OutputCommitter set in config null
21/04/26 21:26:24 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 21:26:24 INFO mapred.LocalJobRunner: OutputCommitter is org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
21/04/26 21:26:24 INFO mapred.LocalJobRunner: Waiting for map tasks
21/04/26 21:26:24 INFO mapred.LocalJobRunner: Starting task: attempt_local588307001_0001_m_000000_0
21/04/26 21:26:24 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 21:26:24 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 21:26:24 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@46db6474
21/04/26 21:26:24 INFO mapred.MapTask: Processing split: file:/E:/bigdata/2021.4.26/wc.txt:0+33554432
21/04/26 21:26:24 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
21/04/26 21:26:24 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
21/04/26 21:26:24 INFO mapred.MapTask: soft limit at 83886080
21/04/26 21:26:24 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
21/04/26 21:26:24 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
21/04/26 21:26:24 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
21/04/26 21:26:25 INFO mapreduce.Job: Job job_local588307001_0001 running in uber mode : false
21/04/26 21:26:25 INFO mapreduce.Job: map 0% reduce 0%
21/04/26 21:26:27 INFO mapred.MapTask: Spilling map output
21/04/26 21:26:27 INFO mapred.MapTask: bufstart = 0; bufend = 29274899; bufvoid = 104857600
21/04/26 21:26:27 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 12561604(50246416); length = 13652793/6553600
21/04/26 21:26:27 INFO mapred.MapTask: (EQUATOR) 39760649 kvi 9940156(39760624)
21/04/26 21:26:28 INFO mapred.MapTask: Finished spill 0
21/04/26 21:26:28 INFO mapred.MapTask: (RESET) equator 39760649 kv 9940156(39760624) kvi 7318732(29274928)
21/04/26 21:26:30 INFO mapred.MapTask: Spilling map output
21/04/26 21:26:30 INFO mapred.MapTask: bufstart = 39760649; bufend = 69035531; bufvoid = 104857600
21/04/26 21:26:30 INFO mapred.MapTask: kvstart = 9940156(39760624); kvend = 22501764(90007056); length = 13652793/6553600
21/04/26 21:26:30 INFO mapred.MapTask: (EQUATOR) 79521285 kvi 19880316(79521264)
21/04/26 21:26:30 INFO mapred.LocalJobRunner: map > map
21/04/26 21:26:30 INFO mapred.LocalJobRunner: map > map
21/04/26 21:26:30 INFO mapred.MapTask: Starting flush of map output
21/04/26 21:26:31 INFO mapreduce.Job: map 6% reduce 0%
21/04/26 21:26:32 INFO mapred.MapTask: Finished spill 1
21/04/26 21:26:32 INFO mapred.MapTask: (RESET) equator 79521285 kv 19880316(79521264) kvi 19146444(76585776)
21/04/26 21:26:32 INFO mapred.MapTask: Spilling map output
21/04/26 21:26:32 INFO mapred.MapTask: bufstart = 79521285; bufend = 81094879; bufvoid = 104857600
21/04/26 21:26:32 INFO mapred.MapTask: kvstart = 19880316(79521264); kvend = 19146448(76585792); length = 733869/6553600
21/04/26 21:26:32 INFO mapred.MapTask: Finished spill 2
21/04/26 21:26:32 INFO mapred.Merger: Merging 3 sorted segments
21/04/26 21:26:32 INFO mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 74143116 bytes
21/04/26 21:26:33 INFO mapred.LocalJobRunner: map > sort >
21/04/26 21:26:36 INFO mapred.Task: Task:attempt_local588307001_0001_m_000000_0 is done. And is in the process of committing
21/04/26 21:26:36 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:26:36 INFO mapred.Task: Task 'attempt_local588307001_0001_m_000000_0' done.
21/04/26 21:26:36 INFO mapred.Task: Final Counters for attempt_local588307001_0001_m_000000_0: Counters: 17
File System Counters
FILE: Number of bytes read=107703100
FILE: Number of bytes written=148580113
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=2941057
Map output records=7009866
Map output bytes=60123375
Map output materialized bytes=74143113
Input split bytes=98
Combine input records=0
Spilled Records=14019732
Failed Shuffles=0
Merged Map outputs=0
GC time elapsed (ms)=55
Total committed heap usage (bytes)=1497366528
File Input Format Counters
Bytes Read=33558528
21/04/26 21:26:36 INFO mapred.LocalJobRunner: Finishing task: attempt_local588307001_0001_m_000000_0
21/04/26 21:26:36 INFO mapred.LocalJobRunner: Starting task: attempt_local588307001_0001_m_000001_0
21/04/26 21:26:36 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 21:26:36 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 21:26:36 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@30b25df7
21/04/26 21:26:36 INFO mapred.MapTask: Processing split: file:/E:/bigdata/2021.4.26/wc.txt:33554432+33554432
21/04/26 21:26:36 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
21/04/26 21:26:36 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
21/04/26 21:26:36 INFO mapred.MapTask: soft limit at 83886080
21/04/26 21:26:36 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
21/04/26 21:26:36 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
21/04/26 21:26:36 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
21/04/26 21:26:36 INFO mapreduce.Job: map 100% reduce 0%
21/04/26 21:26:38 INFO mapred.MapTask: Spilling map output
21/04/26 21:26:38 INFO mapred.MapTask: bufstart = 0; bufend = 29274882; bufvoid = 104857600
21/04/26 21:26:38 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 12561604(50246416); length = 13652793/6553600
21/04/26 21:26:38 INFO mapred.MapTask: (EQUATOR) 39760641 kvi 9940156(39760624)
21/04/26 21:26:39 INFO mapred.MapTask: Finished spill 0
21/04/26 21:26:39 INFO mapred.MapTask: (RESET) equator 39760641 kv 9940156(39760624) kvi 7318728(29274912)
21/04/26 21:26:41 INFO mapred.MapTask: Spilling map output
21/04/26 21:26:41 INFO mapred.MapTask: bufstart = 39760641; bufend = 69035537; bufvoid = 104857600
21/04/26 21:26:41 INFO mapred.MapTask: kvstart = 9940156(39760624); kvend = 22501764(90007056); length = 13652793/6553600
21/04/26 21:26:41 INFO mapred.MapTask: (EQUATOR) 79521288 kvi 19880316(79521264)
21/04/26 21:26:41 INFO mapred.LocalJobRunner:
21/04/26 21:26:41 INFO mapred.MapTask: Starting flush of map output
21/04/26 21:26:41 INFO mapreduce.Job: map 8% reduce 0%
21/04/26 21:26:42 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:26:42 INFO mapreduce.Job: map 14% reduce 0%
21/04/26 21:26:42 INFO mapred.MapTask: Finished spill 1
21/04/26 21:26:42 INFO mapred.MapTask: (RESET) equator 79521288 kv 19880316(79521264) kvi 19146444(76585776)
21/04/26 21:26:42 INFO mapred.MapTask: Spilling map output
21/04/26 21:26:42 INFO mapred.MapTask: bufstart = 79521288; bufend = 81094874; bufvoid = 104857600
21/04/26 21:26:42 INFO mapred.MapTask: kvstart = 19880316(79521264); kvend = 19146448(76585792); length = 733869/6553600
21/04/26 21:26:42 INFO mapred.MapTask: Finished spill 2
21/04/26 21:26:42 INFO mapred.Merger: Merging 3 sorted segments
21/04/26 21:26:42 INFO mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 74143105 bytes
21/04/26 21:26:45 INFO mapred.LocalJobRunner: map > sort >
21/04/26 21:26:45 INFO mapreduce.Job: map 16% reduce 0%
21/04/26 21:26:46 INFO mapred.Task: Task:attempt_local588307001_0001_m_000001_0 is done. And is in the process of committing
21/04/26 21:26:46 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:26:46 INFO mapred.Task: Task 'attempt_local588307001_0001_m_000001_0' done.
21/04/26 21:26:46 INFO mapred.Task: Final Counters for attempt_local588307001_0001_m_000001_0: Counters: 17
File System Counters
FILE: Number of bytes read=215405945
FILE: Number of bytes written=296866361
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=2941058
Map output records=7009866
Map output bytes=60123364
Map output materialized bytes=74143102
Input split bytes=98
Combine input records=0
Spilled Records=14019732
Failed Shuffles=0
Merged Map outputs=0
GC time elapsed (ms)=115
Total committed heap usage (bytes)=1507852288
File Input Format Counters
Bytes Read=33558528
21/04/26 21:26:46 INFO mapred.LocalJobRunner: Finishing task: attempt_local588307001_0001_m_000001_0
21/04/26 21:26:46 INFO mapred.LocalJobRunner: Starting task: attempt_local588307001_0001_m_000002_0
21/04/26 21:26:46 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 21:26:46 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 21:26:46 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@5a8242f3
21/04/26 21:26:46 INFO mapred.MapTask: Processing split: file:/E:/bigdata/2021.4.26/wc.txt:67108864+33554432
21/04/26 21:26:46 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
21/04/26 21:26:46 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
21/04/26 21:26:46 INFO mapred.MapTask: soft limit at 83886080
21/04/26 21:26:46 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
21/04/26 21:26:46 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
21/04/26 21:26:46 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
21/04/26 21:26:46 INFO mapreduce.Job: map 100% reduce 0%
21/04/26 21:26:48 INFO mapred.MapTask: Spilling map output
21/04/26 21:26:48 INFO mapred.MapTask: bufstart = 0; bufend = 29274882; bufvoid = 104857600
21/04/26 21:26:48 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 12561604(50246416); length = 13652793/6553600
21/04/26 21:26:48 INFO mapred.MapTask: (EQUATOR) 39760641 kvi 9940156(39760624)
21/04/26 21:26:49 INFO mapred.MapTask: Finished spill 0
21/04/26 21:26:49 INFO mapred.MapTask: (RESET) equator 39760641 kv 9940156(39760624) kvi 7318728(29274912)
21/04/26 21:26:51 INFO mapred.MapTask: Spilling map output
21/04/26 21:26:51 INFO mapred.MapTask: bufstart = 39760641; bufend = 69035523; bufvoid = 104857600
21/04/26 21:26:51 INFO mapred.MapTask: kvstart = 9940156(39760624); kvend = 22501764(90007056); length = 13652793/6553600
21/04/26 21:26:51 INFO mapred.MapTask: (EQUATOR) 79521281 kvi 19880316(79521264)
21/04/26 21:26:51 INFO mapred.LocalJobRunner:
21/04/26 21:26:51 INFO mapred.MapTask: Starting flush of map output
21/04/26 21:26:51 INFO mapreduce.Job: map 17% reduce 0%
21/04/26 21:26:52 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:26:52 INFO mapreduce.Job: map 22% reduce 0%
21/04/26 21:26:52 INFO mapred.MapTask: Finished spill 1
21/04/26 21:26:52 INFO mapred.MapTask: (RESET) equator 79521281 kv 19880316(79521264) kvi 19146448(76585792)
21/04/26 21:26:52 INFO mapred.MapTask: Spilling map output
21/04/26 21:26:52 INFO mapred.MapTask: bufstart = 79521281; bufend = 81094884; bufvoid = 104857600
21/04/26 21:26:52 INFO mapred.MapTask: kvstart = 19880316(79521264); kvend = 19146452(76585808); length = 733865/6553600
21/04/26 21:26:53 INFO mapred.MapTask: Finished spill 2
21/04/26 21:26:53 INFO mapred.Merger: Merging 3 sorted segments
21/04/26 21:26:53 INFO mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 74143106 bytes
21/04/26 21:26:55 INFO mapred.LocalJobRunner: map > sort >
21/04/26 21:26:55 INFO mapreduce.Job: map 24% reduce 0%
21/04/26 21:26:56 INFO mapred.Task: Task:attempt_local588307001_0001_m_000002_0 is done. And is in the process of committing
21/04/26 21:26:56 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:26:56 INFO mapred.Task: Task 'attempt_local588307001_0001_m_000002_0' done.
21/04/26 21:26:56 INFO mapred.Task: Final Counters for attempt_local588307001_0001_m_000002_0: Counters: 17
File System Counters
FILE: Number of bytes read=323108791
FILE: Number of bytes written=445152611
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=2941054
Map output records=7009865
Map output bytes=60123367
Map output materialized bytes=74143103
Input split bytes=98
Combine input records=0
Spilled Records=14019730
Failed Shuffles=0
Merged Map outputs=0
GC time elapsed (ms)=77
Total committed heap usage (bytes)=1313865728
File Input Format Counters
Bytes Read=33558528
21/04/26 21:26:56 INFO mapred.LocalJobRunner: Finishing task: attempt_local588307001_0001_m_000002_0
21/04/26 21:26:56 INFO mapred.LocalJobRunner: Starting task: attempt_local588307001_0001_m_000003_0
21/04/26 21:26:56 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 21:26:56 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 21:26:56 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@be049c8
21/04/26 21:26:56 INFO mapred.MapTask: Processing split: file:/E:/bigdata/2021.4.26/wc.txt:100663296+33554432
21/04/26 21:26:56 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
21/04/26 21:26:56 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
21/04/26 21:26:56 INFO mapred.MapTask: soft limit at 83886080
21/04/26 21:26:56 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
21/04/26 21:26:56 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
21/04/26 21:26:56 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
21/04/26 21:26:57 INFO mapreduce.Job: map 100% reduce 0%
21/04/26 21:26:58 INFO mapred.MapTask: Spilling map output
21/04/26 21:26:58 INFO mapred.MapTask: bufstart = 0; bufend = 29274885; bufvoid = 104857600
21/04/26 21:26:58 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 12561600(50246400); length = 13652797/6553600
21/04/26 21:26:58 INFO mapred.MapTask: (EQUATOR) 39760634 kvi 9940152(39760608)
21/04/26 21:27:00 INFO mapred.MapTask: Finished spill 0
21/04/26 21:27:00 INFO mapred.MapTask: (RESET) equator 39760634 kv 9940152(39760608) kvi 7318728(29274912)
21/04/26 21:27:02 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:02 INFO mapred.MapTask: bufstart = 39760634; bufend = 69035520; bufvoid = 104857600
21/04/26 21:27:02 INFO mapred.MapTask: kvstart = 9940152(39760608); kvend = 22501760(90007040); length = 13652793/6553600
21/04/26 21:27:02 INFO mapred.MapTask: (EQUATOR) 79521272 kvi 19880312(79521248)
21/04/26 21:27:02 INFO mapred.LocalJobRunner:
21/04/26 21:27:02 INFO mapred.MapTask: Starting flush of map output
21/04/26 21:27:02 INFO mapreduce.Job: map 25% reduce 0%
21/04/26 21:27:02 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:27:03 INFO mapreduce.Job: map 31% reduce 0%
21/04/26 21:27:03 INFO mapred.MapTask: Finished spill 1
21/04/26 21:27:03 INFO mapred.MapTask: (RESET) equator 79521272 kv 19880312(79521248) kvi 19146444(76585776)
21/04/26 21:27:03 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:03 INFO mapred.MapTask: bufstart = 79521272; bufend = 81094865; bufvoid = 104857600
21/04/26 21:27:03 INFO mapred.MapTask: kvstart = 19880312(79521248); kvend = 19146448(76585792); length = 733865/6553600
21/04/26 21:27:03 INFO mapred.MapTask: Finished spill 2
21/04/26 21:27:03 INFO mapred.Merger: Merging 3 sorted segments
21/04/26 21:27:03 INFO mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 74143105 bytes
21/04/26 21:27:05 INFO mapred.LocalJobRunner: map > sort >
21/04/26 21:27:06 INFO mapreduce.Job: map 32% reduce 0%
21/04/26 21:27:08 INFO mapred.Task: Task:attempt_local588307001_0001_m_000003_0 is done. And is in the process of committing
21/04/26 21:27:08 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:27:08 INFO mapred.Task: Task 'attempt_local588307001_0001_m_000003_0' done.
21/04/26 21:27:08 INFO mapred.Task: Final Counters for attempt_local588307001_0001_m_000003_0: Counters: 17
File System Counters
FILE: Number of bytes read=430811636
FILE: Number of bytes written=593438859
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=2941058
Map output records=7009866
Map output bytes=60123364
Map output materialized bytes=74143102
Input split bytes=98
Combine input records=0
Spilled Records=14019732
Failed Shuffles=0
Merged Map outputs=0
GC time elapsed (ms)=67
Total committed heap usage (bytes)=1136132096
File Input Format Counters
Bytes Read=33558528
21/04/26 21:27:08 INFO mapred.LocalJobRunner: Finishing task: attempt_local588307001_0001_m_000003_0
21/04/26 21:27:08 INFO mapred.LocalJobRunner: Starting task: attempt_local588307001_0001_m_000004_0
21/04/26 21:27:08 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 21:27:08 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 21:27:08 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@6918296b
21/04/26 21:27:08 INFO mapred.MapTask: Processing split: file:/E:/bigdata/2021.4.26/wc.txt:134217728+33554432
21/04/26 21:27:08 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
21/04/26 21:27:08 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
21/04/26 21:27:08 INFO mapred.MapTask: soft limit at 83886080
21/04/26 21:27:08 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
21/04/26 21:27:08 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
21/04/26 21:27:08 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
21/04/26 21:27:08 INFO mapreduce.Job: map 100% reduce 0%
21/04/26 21:27:10 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:10 INFO mapred.MapTask: bufstart = 0; bufend = 29274888; bufvoid = 104857600
21/04/26 21:27:10 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 12561600(50246400); length = 13652797/6553600
21/04/26 21:27:10 INFO mapred.MapTask: (EQUATOR) 39760636 kvi 9940152(39760608)
21/04/26 21:27:11 INFO mapred.MapTask: Finished spill 0
21/04/26 21:27:11 INFO mapred.MapTask: (RESET) equator 39760636 kv 9940152(39760608) kvi 7318728(29274912)
21/04/26 21:27:13 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:13 INFO mapred.MapTask: bufstart = 39760636; bufend = 69035514; bufvoid = 104857600
21/04/26 21:27:13 INFO mapred.MapTask: kvstart = 9940152(39760608); kvend = 22501760(90007040); length = 13652793/6553600
21/04/26 21:27:13 INFO mapred.MapTask: (EQUATOR) 79521269 kvi 19880312(79521248)
21/04/26 21:27:13 INFO mapred.LocalJobRunner:
21/04/26 21:27:13 INFO mapred.MapTask: Starting flush of map output
21/04/26 21:27:13 INFO mapreduce.Job: map 33% reduce 0%
21/04/26 21:27:14 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:27:14 INFO mapreduce.Job: map 39% reduce 0%
21/04/26 21:27:14 INFO mapred.MapTask: Finished spill 1
21/04/26 21:27:14 INFO mapred.MapTask: (RESET) equator 79521269 kv 19880312(79521248) kvi 19146428(76585712)
21/04/26 21:27:14 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:14 INFO mapred.MapTask: bufstart = 79521269; bufend = 81094906; bufvoid = 104857600
21/04/26 21:27:14 INFO mapred.MapTask: kvstart = 19880312(79521248); kvend = 19146432(76585728); length = 733881/6553600
21/04/26 21:27:14 INFO mapred.MapTask: Finished spill 2
21/04/26 21:27:14 INFO mapred.Merger: Merging 3 sorted segments
21/04/26 21:27:14 INFO mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 74143152 bytes
21/04/26 21:27:17 INFO mapred.LocalJobRunner: map > sort >
21/04/26 21:27:17 INFO mapreduce.Job: map 41% reduce 0%
21/04/26 21:27:17 INFO mapred.Task: Task:attempt_local588307001_0001_m_000004_0 is done. And is in the process of committing
21/04/26 21:27:17 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:27:17 INFO mapred.Task: Task 'attempt_local588307001_0001_m_000004_0' done.
21/04/26 21:27:17 INFO mapred.Task: Final Counters for attempt_local588307001_0001_m_000004_0: Counters: 17
File System Counters
FILE: Number of bytes read=538514528
FILE: Number of bytes written=741725201
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=2941058
Map output records=7009870
Map output bytes=60123403
Map output materialized bytes=74143149
Input split bytes=98
Combine input records=0
Spilled Records=14019740
Failed Shuffles=0
Merged Map outputs=0
GC time elapsed (ms)=67
Total committed heap usage (bytes)=953155584
File Input Format Counters
Bytes Read=33558528
21/04/26 21:27:17 INFO mapred.LocalJobRunner: Finishing task: attempt_local588307001_0001_m_000004_0
21/04/26 21:27:17 INFO mapred.LocalJobRunner: Starting task: attempt_local588307001_0001_m_000005_0
21/04/26 21:27:17 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 21:27:17 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 21:27:17 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@4b678c5a
21/04/26 21:27:17 INFO mapred.MapTask: Processing split: file:/E:/bigdata/2021.4.26/wc.txt:167772160+33554432
21/04/26 21:27:17 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
21/04/26 21:27:17 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
21/04/26 21:27:17 INFO mapred.MapTask: soft limit at 83886080
21/04/26 21:27:17 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
21/04/26 21:27:17 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
21/04/26 21:27:17 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
21/04/26 21:27:18 INFO mapreduce.Job: map 100% reduce 0%
21/04/26 21:27:19 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:19 INFO mapred.MapTask: bufstart = 0; bufend = 29274881; bufvoid = 104857600
21/04/26 21:27:19 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 12561604(50246416); length = 13652793/6553600
21/04/26 21:27:19 INFO mapred.MapTask: (EQUATOR) 39760640 kvi 9940156(39760624)
21/04/26 21:27:21 INFO mapred.MapTask: Finished spill 0
21/04/26 21:27:21 INFO mapred.MapTask: (RESET) equator 39760640 kv 9940156(39760624) kvi 7318728(29274912)
21/04/26 21:27:22 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:22 INFO mapred.MapTask: bufstart = 39760640; bufend = 69035526; bufvoid = 104857600
21/04/26 21:27:22 INFO mapred.MapTask: kvstart = 9940156(39760624); kvend = 22501764(90007056); length = 13652793/6553600
21/04/26 21:27:22 INFO mapred.MapTask: (EQUATOR) 79521283 kvi 19880316(79521264)
21/04/26 21:27:22 INFO mapred.LocalJobRunner:
21/04/26 21:27:22 INFO mapred.MapTask: Starting flush of map output
21/04/26 21:27:23 INFO mapreduce.Job: map 42% reduce 0%
21/04/26 21:27:23 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:27:24 INFO mapred.MapTask: Finished spill 1
21/04/26 21:27:24 INFO mapred.MapTask: (RESET) equator 79521283 kv 19880316(79521264) kvi 19146452(76585808)
21/04/26 21:27:24 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:24 INFO mapred.MapTask: bufstart = 79521283; bufend = 81094858; bufvoid = 104857600
21/04/26 21:27:24 INFO mapred.MapTask: kvstart = 19880316(79521264); kvend = 19146456(76585824); length = 733861/6553600
21/04/26 21:27:24 INFO mapred.MapTask: Finished spill 2
21/04/26 21:27:24 INFO mapred.Merger: Merging 3 sorted segments
21/04/26 21:27:24 INFO mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 74143079 bytes
21/04/26 21:27:24 INFO mapreduce.Job: map 47% reduce 0%
21/04/26 21:27:26 INFO mapred.LocalJobRunner: map > sort >
21/04/26 21:27:27 INFO mapred.Task: Task:attempt_local588307001_0001_m_000005_0 is done. And is in the process of committing
21/04/26 21:27:27 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:27:27 INFO mapred.Task: Task 'attempt_local588307001_0001_m_000005_0' done.
21/04/26 21:27:27 INFO mapred.Task: Final Counters for attempt_local588307001_0001_m_000005_0: Counters: 17
File System Counters
FILE: Number of bytes read=646217347
FILE: Number of bytes written=890011397
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=2941056
Map output records=7009864
Map output bytes=60123342
Map output materialized bytes=74143076
Input split bytes=98
Combine input records=0
Spilled Records=14019728
Failed Shuffles=0
Merged Map outputs=0
GC time elapsed (ms)=75
Total committed heap usage (bytes)=825753600
File Input Format Counters
Bytes Read=33558528
21/04/26 21:27:27 INFO mapred.LocalJobRunner: Finishing task: attempt_local588307001_0001_m_000005_0
21/04/26 21:27:27 INFO mapred.LocalJobRunner: Starting task: attempt_local588307001_0001_m_000006_0
21/04/26 21:27:27 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 21:27:27 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 21:27:27 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@33ada1f
21/04/26 21:27:27 INFO mapred.MapTask: Processing split: file:/E:/bigdata/2021.4.26/wc.txt:201326592+33554432
21/04/26 21:27:27 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
21/04/26 21:27:27 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
21/04/26 21:27:27 INFO mapred.MapTask: soft limit at 83886080
21/04/26 21:27:27 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
21/04/26 21:27:27 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
21/04/26 21:27:27 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
21/04/26 21:27:27 INFO mapreduce.Job: map 100% reduce 0%
21/04/26 21:27:29 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:29 INFO mapred.MapTask: bufstart = 0; bufend = 29274896; bufvoid = 104857600
21/04/26 21:27:29 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 12561604(50246416); length = 13652793/6553600
21/04/26 21:27:29 INFO mapred.MapTask: (EQUATOR) 39760648 kvi 9940156(39760624)
21/04/26 21:27:30 INFO mapred.MapTask: Finished spill 0
21/04/26 21:27:30 INFO mapred.MapTask: (RESET) equator 39760648 kv 9940156(39760624) kvi 7318728(29274912)
21/04/26 21:27:32 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:32 INFO mapred.MapTask: bufstart = 39760648; bufend = 69035532; bufvoid = 104857600
21/04/26 21:27:32 INFO mapred.MapTask: kvstart = 9940156(39760624); kvend = 22501764(90007056); length = 13652793/6553600
21/04/26 21:27:32 INFO mapred.MapTask: (EQUATOR) 79521286 kvi 19880316(79521264)
21/04/26 21:27:32 INFO mapred.LocalJobRunner:
21/04/26 21:27:32 INFO mapred.MapTask: Starting flush of map output
21/04/26 21:27:32 INFO mapreduce.Job: map 50% reduce 0%
21/04/26 21:27:33 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:27:33 INFO mapred.MapTask: Finished spill 1
21/04/26 21:27:33 INFO mapred.MapTask: (RESET) equator 79521286 kv 19880316(79521264) kvi 19146440(76585760)
21/04/26 21:27:33 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:33 INFO mapred.MapTask: bufstart = 79521286; bufend = 81094880; bufvoid = 104857600
21/04/26 21:27:33 INFO mapred.MapTask: kvstart = 19880316(79521264); kvend = 19146444(76585776); length = 733873/6553600
21/04/26 21:27:33 INFO mapred.MapTask: Finished spill 2
21/04/26 21:27:33 INFO mapred.Merger: Merging 3 sorted segments
21/04/26 21:27:33 INFO mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 74143117 bytes
21/04/26 21:27:33 INFO mapreduce.Job: map 56% reduce 0%
21/04/26 21:27:36 INFO mapred.LocalJobRunner: map > sort >
21/04/26 21:27:36 INFO mapreduce.Job: map 58% reduce 0%
21/04/26 21:27:37 INFO mapred.Task: Task:attempt_local588307001_0001_m_000006_0 is done. And is in the process of committing
21/04/26 21:27:37 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:27:37 INFO mapred.Task: Task 'attempt_local588307001_0001_m_000006_0' done.
21/04/26 21:27:37 INFO mapred.Task: Final Counters for attempt_local588307001_0001_m_000006_0: Counters: 17
File System Counters
FILE: Number of bytes read=753919692
FILE: Number of bytes written=1038297669
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=2941058
Map output records=7009867
Map output bytes=60123374
Map output materialized bytes=74143114
Input split bytes=98
Combine input records=0
Spilled Records=14019734
Failed Shuffles=0
Merged Map outputs=0
GC time elapsed (ms)=71
Total committed heap usage (bytes)=791150592
File Input Format Counters
Bytes Read=33558528
21/04/26 21:27:37 INFO mapred.LocalJobRunner: Finishing task: attempt_local588307001_0001_m_000006_0
21/04/26 21:27:37 INFO mapred.LocalJobRunner: Starting task: attempt_local588307001_0001_m_000007_0
21/04/26 21:27:37 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 21:27:37 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 21:27:37 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@a1d7db9
21/04/26 21:27:37 INFO mapred.MapTask: Processing split: file:/E:/bigdata/2021.4.26/wc.txt:234881024+33554432
21/04/26 21:27:37 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
21/04/26 21:27:37 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
21/04/26 21:27:37 INFO mapred.MapTask: soft limit at 83886080
21/04/26 21:27:37 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
21/04/26 21:27:37 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
21/04/26 21:27:37 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
21/04/26 21:27:37 INFO mapreduce.Job: map 100% reduce 0%
21/04/26 21:27:39 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:39 INFO mapred.MapTask: bufstart = 0; bufend = 29274882; bufvoid = 104857600
21/04/26 21:27:39 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 12561604(50246416); length = 13652793/6553600
21/04/26 21:27:39 INFO mapred.MapTask: (EQUATOR) 39760641 kvi 9940156(39760624)
21/04/26 21:27:40 INFO mapred.MapTask: Finished spill 0
21/04/26 21:27:40 INFO mapred.MapTask: (RESET) equator 39760641 kv 9940156(39760624) kvi 7318728(29274912)
21/04/26 21:27:42 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:42 INFO mapred.MapTask: bufstart = 39760641; bufend = 69035537; bufvoid = 104857600
21/04/26 21:27:42 INFO mapred.MapTask: kvstart = 9940156(39760624); kvend = 22501764(90007056); length = 13652793/6553600
21/04/26 21:27:42 INFO mapred.MapTask: (EQUATOR) 79521288 kvi 19880316(79521264)
21/04/26 21:27:42 INFO mapred.LocalJobRunner:
21/04/26 21:27:42 INFO mapred.MapTask: Starting flush of map output
21/04/26 21:27:42 INFO mapreduce.Job: map 58% reduce 0%
21/04/26 21:27:43 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:27:43 INFO mapred.MapTask: Finished spill 1
21/04/26 21:27:43 INFO mapred.MapTask: (RESET) equator 79521288 kv 19880316(79521264) kvi 19146444(76585776)
21/04/26 21:27:43 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:43 INFO mapred.MapTask: bufstart = 79521288; bufend = 81094880; bufvoid = 104857600
21/04/26 21:27:43 INFO mapred.MapTask: kvstart = 19880316(79521264); kvend = 19146448(76585792); length = 733869/6553600
21/04/26 21:27:43 INFO mapred.MapTask: Finished spill 2
21/04/26 21:27:43 INFO mapred.Merger: Merging 3 sorted segments
21/04/26 21:27:43 INFO mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 74143111 bytes
21/04/26 21:27:43 INFO mapreduce.Job: map 64% reduce 0%
21/04/26 21:27:46 INFO mapred.LocalJobRunner: map > sort >
21/04/26 21:27:46 INFO mapreduce.Job: map 66% reduce 0%
21/04/26 21:27:46 INFO mapred.Task: Task:attempt_local588307001_0001_m_000007_0 is done. And is in the process of committing
21/04/26 21:27:46 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:27:46 INFO mapred.Task: Task 'attempt_local588307001_0001_m_000007_0' done.
21/04/26 21:27:46 INFO mapred.Task: Final Counters for attempt_local588307001_0001_m_000007_0: Counters: 17
File System Counters
FILE: Number of bytes read=861622031
FILE: Number of bytes written=1186583929
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=2941058
Map output records=7009866
Map output bytes=60123370
Map output materialized bytes=74143108
Input split bytes=98
Combine input records=0
Spilled Records=14019732
Failed Shuffles=0
Merged Map outputs=0
GC time elapsed (ms)=68
Total committed heap usage (bytes)=1449656320
File Input Format Counters
Bytes Read=33558528
21/04/26 21:27:46 INFO mapred.LocalJobRunner: Finishing task: attempt_local588307001_0001_m_000007_0
21/04/26 21:27:46 INFO mapred.LocalJobRunner: Starting task: attempt_local588307001_0001_m_000008_0
21/04/26 21:27:46 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 21:27:46 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 21:27:46 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@22664ee0
21/04/26 21:27:46 INFO mapred.MapTask: Processing split: file:/E:/bigdata/2021.4.26/wc.txt:268435456+33554432
21/04/26 21:27:46 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
21/04/26 21:27:46 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
21/04/26 21:27:46 INFO mapred.MapTask: soft limit at 83886080
21/04/26 21:27:46 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
21/04/26 21:27:46 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
21/04/26 21:27:46 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
21/04/26 21:27:47 INFO mapreduce.Job: map 100% reduce 0%
21/04/26 21:27:48 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:48 INFO mapred.MapTask: bufstart = 0; bufend = 29274881; bufvoid = 104857600
21/04/26 21:27:48 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 12561604(50246416); length = 13652793/6553600
21/04/26 21:27:48 INFO mapred.MapTask: (EQUATOR) 39760640 kvi 9940156(39760624)
21/04/26 21:27:50 INFO mapred.MapTask: Finished spill 0
21/04/26 21:27:50 INFO mapred.MapTask: (RESET) equator 39760640 kv 9940156(39760624) kvi 7318728(29274912)
21/04/26 21:27:51 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:51 INFO mapred.MapTask: bufstart = 39760640; bufend = 69035523; bufvoid = 104857600
21/04/26 21:27:51 INFO mapred.MapTask: kvstart = 9940156(39760624); kvend = 22501764(90007056); length = 13652793/6553600
21/04/26 21:27:51 INFO mapred.MapTask: (EQUATOR) 79521281 kvi 19880316(79521264)
21/04/26 21:27:51 INFO mapred.LocalJobRunner:
21/04/26 21:27:51 INFO mapred.MapTask: Starting flush of map output
21/04/26 21:27:52 INFO mapreduce.Job: map 67% reduce 0%
21/04/26 21:27:52 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:27:53 INFO mapred.MapTask: Finished spill 1
21/04/26 21:27:53 INFO mapred.MapTask: (RESET) equator 79521281 kv 19880316(79521264) kvi 19146440(76585760)
21/04/26 21:27:53 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:53 INFO mapred.MapTask: bufstart = 79521281; bufend = 81094894; bufvoid = 104857600
21/04/26 21:27:53 INFO mapred.MapTask: kvstart = 19880316(79521264); kvend = 19146444(76585776); length = 733873/6553600
21/04/26 21:27:53 INFO mapred.MapTask: Finished spill 2
21/04/26 21:27:53 INFO mapred.Merger: Merging 3 sorted segments
21/04/26 21:27:53 INFO mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 74143120 bytes
21/04/26 21:27:53 INFO mapreduce.Job: map 72% reduce 0%
21/04/26 21:27:55 INFO mapred.LocalJobRunner: map > sort >
21/04/26 21:27:56 INFO mapreduce.Job: map 74% reduce 0%
21/04/26 21:27:56 INFO mapred.Task: Task:attempt_local588307001_0001_m_000008_0 is done. And is in the process of committing
21/04/26 21:27:56 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:27:56 INFO mapred.Task: Task 'attempt_local588307001_0001_m_000008_0' done.
21/04/26 21:27:56 INFO mapred.Task: Final Counters for attempt_local588307001_0001_m_000008_0: Counters: 17
File System Counters
FILE: Number of bytes read=969324379
FILE: Number of bytes written=1334870207
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=2941056
Map output records=7009867
Map output bytes=60123377
Map output materialized bytes=74143117
Input split bytes=98
Combine input records=0
Spilled Records=14019734
Failed Shuffles=0
Merged Map outputs=0
GC time elapsed (ms)=57
Total committed heap usage (bytes)=1227358208
File Input Format Counters
Bytes Read=33558528
21/04/26 21:27:56 INFO mapred.LocalJobRunner: Finishing task: attempt_local588307001_0001_m_000008_0
21/04/26 21:27:56 INFO mapred.LocalJobRunner: Starting task: attempt_local588307001_0001_m_000009_0
21/04/26 21:27:56 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 21:27:56 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 21:27:56 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@559403aa
21/04/26 21:27:56 INFO mapred.MapTask: Processing split: file:/E:/bigdata/2021.4.26/wc.txt:301989888+33554432
21/04/26 21:27:56 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
21/04/26 21:27:56 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
21/04/26 21:27:56 INFO mapred.MapTask: soft limit at 83886080
21/04/26 21:27:56 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
21/04/26 21:27:56 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
21/04/26 21:27:56 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
21/04/26 21:27:57 INFO mapreduce.Job: map 100% reduce 0%
21/04/26 21:27:58 INFO mapred.MapTask: Spilling map output
21/04/26 21:27:58 INFO mapred.MapTask: bufstart = 0; bufend = 29274888; bufvoid = 104857600
21/04/26 21:27:58 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 12561600(50246400); length = 13652797/6553600
21/04/26 21:27:58 INFO mapred.MapTask: (EQUATOR) 39760636 kvi 9940152(39760608)
21/04/26 21:28:00 INFO mapred.MapTask: Finished spill 0
21/04/26 21:28:00 INFO mapred.MapTask: (RESET) equator 39760636 kv 9940152(39760608) kvi 7318728(29274912)
21/04/26 21:28:02 INFO mapred.MapTask: Spilling map output
21/04/26 21:28:02 INFO mapred.MapTask: bufstart = 39760636; bufend = 69035517; bufvoid = 104857600
21/04/26 21:28:02 INFO mapred.MapTask: kvstart = 9940152(39760608); kvend = 22501760(90007040); length = 13652793/6553600
21/04/26 21:28:02 INFO mapred.MapTask: (EQUATOR) 79521270 kvi 19880312(79521248)
21/04/26 21:28:02 INFO mapred.LocalJobRunner:
21/04/26 21:28:02 INFO mapred.MapTask: Starting flush of map output
21/04/26 21:28:02 INFO mapreduce.Job: map 75% reduce 0%
21/04/26 21:28:02 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:28:03 INFO mapreduce.Job: map 81% reduce 0%
21/04/26 21:28:03 INFO mapred.MapTask: Finished spill 1
21/04/26 21:28:03 INFO mapred.MapTask: (RESET) equator 79521270 kv 19880312(79521248) kvi 19146444(76585776)
21/04/26 21:28:03 INFO mapred.MapTask: Spilling map output
21/04/26 21:28:03 INFO mapred.MapTask: bufstart = 79521270; bufend = 81094872; bufvoid = 104857600
21/04/26 21:28:03 INFO mapred.MapTask: kvstart = 19880312(79521248); kvend = 19146448(76585792); length = 733865/6553600
21/04/26 21:28:03 INFO mapred.MapTask: Finished spill 2
21/04/26 21:28:03 INFO mapred.Merger: Merging 3 sorted segments
21/04/26 21:28:03 INFO mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 74143112 bytes
21/04/26 21:28:05 INFO mapred.LocalJobRunner: map > sort >
21/04/26 21:28:06 INFO mapreduce.Job: map 82% reduce 0%
21/04/26 21:28:07 INFO mapred.Task: Task:attempt_local588307001_0001_m_000009_0 is done. And is in the process of committing
21/04/26 21:28:07 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:28:07 INFO mapred.Task: Task 'attempt_local588307001_0001_m_000009_0' done.
21/04/26 21:28:07 INFO mapred.Task: Final Counters for attempt_local588307001_0001_m_000009_0: Counters: 17
File System Counters
FILE: Number of bytes read=1077026719
FILE: Number of bytes written=1483156469
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=2941054
Map output records=7009866
Map output bytes=60123371
Map output materialized bytes=74143109
Input split bytes=98
Combine input records=0
Spilled Records=14019732
Failed Shuffles=0
Merged Map outputs=0
GC time elapsed (ms)=61
Total committed heap usage (bytes)=1042808832
File Input Format Counters
Bytes Read=33558528
21/04/26 21:28:07 INFO mapred.LocalJobRunner: Finishing task: attempt_local588307001_0001_m_000009_0
21/04/26 21:28:07 INFO mapred.LocalJobRunner: Starting task: attempt_local588307001_0001_m_000010_0
21/04/26 21:28:07 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 21:28:07 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 21:28:07 INFO mapreduce.Job: map 100% reduce 0%
21/04/26 21:28:07 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@abc125
21/04/26 21:28:07 INFO mapred.MapTask: Processing split: file:/E:/bigdata/2021.4.26/wc.txt:335544320+33554432
21/04/26 21:28:07 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
21/04/26 21:28:07 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
21/04/26 21:28:07 INFO mapred.MapTask: soft limit at 83886080
21/04/26 21:28:07 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
21/04/26 21:28:07 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
21/04/26 21:28:07 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
21/04/26 21:28:09 INFO mapred.MapTask: Spilling map output
21/04/26 21:28:09 INFO mapred.MapTask: bufstart = 0; bufend = 29274881; bufvoid = 104857600
21/04/26 21:28:09 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 12561604(50246416); length = 13652793/6553600
21/04/26 21:28:09 INFO mapred.MapTask: (EQUATOR) 39760640 kvi 9940156(39760624)
21/04/26 21:28:11 INFO mapred.MapTask: Finished spill 0
21/04/26 21:28:11 INFO mapred.MapTask: (RESET) equator 39760640 kv 9940156(39760624) kvi 7318728(29274912)
21/04/26 21:28:12 INFO mapred.MapTask: Spilling map output
21/04/26 21:28:12 INFO mapred.MapTask: bufstart = 39760640; bufend = 69035522; bufvoid = 104857600
21/04/26 21:28:12 INFO mapred.MapTask: kvstart = 9940156(39760624); kvend = 22501764(90007056); length = 13652793/6553600
21/04/26 21:28:12 INFO mapred.MapTask: (EQUATOR) 79521281 kvi 19880316(79521264)
21/04/26 21:28:13 INFO mapred.LocalJobRunner:
21/04/26 21:28:13 INFO mapred.MapTask: Starting flush of map output
21/04/26 21:28:13 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:28:13 INFO mapreduce.Job: map 89% reduce 0%
21/04/26 21:28:14 INFO mapred.MapTask: Finished spill 1
21/04/26 21:28:14 INFO mapred.MapTask: (RESET) equator 79521281 kv 19880316(79521264) kvi 19146444(76585776)
21/04/26 21:28:14 INFO mapred.MapTask: Spilling map output
21/04/26 21:28:14 INFO mapred.MapTask: bufstart = 79521281; bufend = 81094888; bufvoid = 104857600
21/04/26 21:28:14 INFO mapred.MapTask: kvstart = 19880316(79521264); kvend = 19146448(76585792); length = 733869/6553600
21/04/26 21:28:14 INFO mapred.MapTask: Finished spill 2
21/04/26 21:28:14 INFO mapred.Merger: Merging 3 sorted segments
21/04/26 21:28:14 INFO mapred.Merger: Down to the last merge-pass, with 3 segments left of total size: 74143111 bytes
21/04/26 21:28:16 INFO mapred.LocalJobRunner: map > sort >
21/04/26 21:28:16 INFO mapreduce.Job: map 90% reduce 0%
21/04/26 21:28:18 INFO mapred.Task: Task:attempt_local588307001_0001_m_000010_0 is done. And is in the process of committing
21/04/26 21:28:18 INFO mapred.LocalJobRunner: map > sort
21/04/26 21:28:18 INFO mapred.Task: Task 'attempt_local588307001_0001_m_000010_0' done.
21/04/26 21:28:18 INFO mapred.Task: Final Counters for attempt_local588307001_0001_m_000010_0: Counters: 17
File System Counters
FILE: Number of bytes read=1184729058
FILE: Number of bytes written=1631442729
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=2941058
Map output records=7009866
Map output bytes=60123370
Map output materialized bytes=74143108
Input split bytes=98
Combine input records=0
Spilled Records=14019732
Failed Shuffles=0
Merged Map outputs=0
GC time elapsed (ms)=65
Total committed heap usage (bytes)=855638016
File Input Format Counters
Bytes Read=33558528
21/04/26 21:28:18 INFO mapred.LocalJobRunner: Finishing task: attempt_local588307001_0001_m_000010_0
21/04/26 21:28:18 INFO mapred.LocalJobRunner: Starting task: attempt_local588307001_0001_m_000011_0
21/04/26 21:28:18 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 21:28:18 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 21:28:18 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@613a943c
21/04/26 21:28:18 INFO mapred.MapTask: Processing split: file:/E:/bigdata/2021.4.26/wc.txt:369098752+10911248
21/04/26 21:28:18 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
21/04/26 21:28:18 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
21/04/26 21:28:18 INFO mapred.MapTask: soft limit at 83886080
21/04/26 21:28:18 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
21/04/26 21:28:18 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
21/04/26 21:28:18 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
21/04/26 21:28:18 INFO mapreduce.Job: map 100% reduce 0%
21/04/26 21:28:19 INFO mapred.LocalJobRunner:
21/04/26 21:28:19 INFO mapred.MapTask: Starting flush of map output
21/04/26 21:28:19 INFO mapred.MapTask: Spilling map output
21/04/26 21:28:19 INFO mapred.MapTask: bufstart = 0; bufend = 19550923; bufvoid = 104857600
21/04/26 21:28:19 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 17096516(68386064); length = 9117881/6553600
21/04/26 21:28:19 INFO mapreduce.Job: map 92% reduce 0%
21/04/26 21:28:20 INFO mapred.MapTask: Finished spill 0
21/04/26 21:28:20 INFO mapred.Task: Task:attempt_local588307001_0001_m_000011_0 is done. And is in the process of committing
21/04/26 21:28:20 INFO mapred.LocalJobRunner: map
21/04/26 21:28:20 INFO mapred.Task: Task 'attempt_local588307001_0001_m_000011_0' done.
21/04/26 21:28:20 INFO mapred.Task: Final Counters for attempt_local588307001_0001_m_000011_0: Counters: 17
File System Counters
FILE: Number of bytes read=1195640485
FILE: Number of bytes written=1655552632
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=956375
Map output records=2279471
Map output bytes=19550923
Map output materialized bytes=24109871
Input split bytes=98
Combine input records=0
Spilled Records=2279471
Failed Shuffles=0
Merged Map outputs=0
GC time elapsed (ms)=50
Total committed heap usage (bytes)=781713408
File Input Format Counters
Bytes Read=10911248
21/04/26 21:28:20 INFO mapred.LocalJobRunner: Finishing task: attempt_local588307001_0001_m_000011_0
21/04/26 21:28:20 INFO mapred.LocalJobRunner: map task executor complete.
21/04/26 21:28:20 INFO mapred.LocalJobRunner: Waiting for reduce tasks
21/04/26 21:28:20 INFO mapred.LocalJobRunner: Starting task: attempt_local588307001_0001_r_000000_0
21/04/26 21:28:20 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 21:28:20 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 21:28:20 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@4ea8102b
21/04/26 21:28:20 INFO mapred.ReduceTask: Using ShuffleConsumerPlugin: org.apache.hadoop.mapreduce.task.reduce.Shuffle@3b3fc2dc
21/04/26 21:28:20 INFO reduce.MergeManagerImpl: MergerManager: memoryLimit=3995913472, maxSingleShuffleLimit=998978368, mergeThreshold=2637303040, ioSortFactor=10, memToMemMergeOutputsThreshold=10
21/04/26 21:28:20 INFO reduce.EventFetcher: attempt_local588307001_0001_r_000000_0 Thread started: EventFetcher for fetching Map Completion Events
21/04/26 21:28:20 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local588307001_0001_m_000006_0 decomp: 74143110 len: 74143114 to MEMORY
21/04/26 21:28:20 INFO reduce.InMemoryMapOutput: Read 74143110 bytes from map-output for attempt_local588307001_0001_m_000006_0
21/04/26 21:28:20 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 74143110, inMemoryMapOutputs.size() -> 1, commitMemory -> 0, usedMemory ->74143110
21/04/26 21:28:20 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local588307001_0001_m_000009_0 decomp: 74143105 len: 74143109 to MEMORY
21/04/26 21:28:20 INFO reduce.InMemoryMapOutput: Read 74143105 bytes from map-output for attempt_local588307001_0001_m_000009_0
21/04/26 21:28:20 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 74143105, inMemoryMapOutputs.size() -> 2, commitMemory -> 74143110, usedMemory ->148286215
21/04/26 21:28:20 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local588307001_0001_m_000002_0 decomp: 74143099 len: 74143103 to MEMORY
21/04/26 21:28:20 INFO reduce.InMemoryMapOutput: Read 74143099 bytes from map-output for attempt_local588307001_0001_m_000002_0
21/04/26 21:28:20 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 74143099, inMemoryMapOutputs.size() -> 3, commitMemory -> 148286215, usedMemory ->222429314
21/04/26 21:28:20 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local588307001_0001_m_000005_0 decomp: 74143072 len: 74143076 to MEMORY
21/04/26 21:28:20 INFO mapreduce.Job: map 100% reduce 0%
21/04/26 21:28:20 INFO reduce.InMemoryMapOutput: Read 74143072 bytes from map-output for attempt_local588307001_0001_m_000005_0
21/04/26 21:28:20 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 74143072, inMemoryMapOutputs.size() -> 4, commitMemory -> 222429314, usedMemory ->296572386
21/04/26 21:28:20 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local588307001_0001_m_000008_0 decomp: 74143113 len: 74143117 to MEMORY
21/04/26 21:28:20 INFO reduce.InMemoryMapOutput: Read 74143113 bytes from map-output for attempt_local588307001_0001_m_000008_0
21/04/26 21:28:20 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 74143113, inMemoryMapOutputs.size() -> 5, commitMemory -> 296572386, usedMemory ->370715499
21/04/26 21:28:20 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local588307001_0001_m_000011_0 decomp: 24109867 len: 24109871 to MEMORY
21/04/26 21:28:20 INFO reduce.InMemoryMapOutput: Read 24109867 bytes from map-output for attempt_local588307001_0001_m_000011_0
21/04/26 21:28:20 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 24109867, inMemoryMapOutputs.size() -> 6, commitMemory -> 370715499, usedMemory ->394825366
21/04/26 21:28:20 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local588307001_0001_m_000001_0 decomp: 74143098 len: 74143102 to MEMORY
21/04/26 21:28:20 INFO reduce.InMemoryMapOutput: Read 74143098 bytes from map-output for attempt_local588307001_0001_m_000001_0
21/04/26 21:28:20 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 74143098, inMemoryMapOutputs.size() -> 7, commitMemory -> 394825366, usedMemory ->468968464
21/04/26 21:28:21 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local588307001_0001_m_000004_0 decomp: 74143145 len: 74143149 to MEMORY
21/04/26 21:28:21 INFO reduce.InMemoryMapOutput: Read 74143145 bytes from map-output for attempt_local588307001_0001_m_000004_0
21/04/26 21:28:21 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 74143145, inMemoryMapOutputs.size() -> 8, commitMemory -> 468968464, usedMemory ->543111609
21/04/26 21:28:21 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local588307001_0001_m_000007_0 decomp: 74143104 len: 74143108 to MEMORY
21/04/26 21:28:21 INFO reduce.InMemoryMapOutput: Read 74143104 bytes from map-output for attempt_local588307001_0001_m_000007_0
21/04/26 21:28:21 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 74143104, inMemoryMapOutputs.size() -> 9, commitMemory -> 543111609, usedMemory ->617254713
21/04/26 21:28:21 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local588307001_0001_m_000010_0 decomp: 74143104 len: 74143108 to MEMORY
21/04/26 21:28:21 INFO reduce.InMemoryMapOutput: Read 74143104 bytes from map-output for attempt_local588307001_0001_m_000010_0
21/04/26 21:28:21 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 74143104, inMemoryMapOutputs.size() -> 10, commitMemory -> 617254713, usedMemory ->691397817
21/04/26 21:28:21 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local588307001_0001_m_000000_0 decomp: 74143109 len: 74143113 to MEMORY
21/04/26 21:28:21 INFO reduce.InMemoryMapOutput: Read 74143109 bytes from map-output for attempt_local588307001_0001_m_000000_0
21/04/26 21:28:21 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 74143109, inMemoryMapOutputs.size() -> 11, commitMemory -> 691397817, usedMemory ->765540926
21/04/26 21:28:21 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local588307001_0001_m_000003_0 decomp: 74143098 len: 74143102 to MEMORY
21/04/26 21:28:21 INFO reduce.InMemoryMapOutput: Read 74143098 bytes from map-output for attempt_local588307001_0001_m_000003_0
21/04/26 21:28:21 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 74143098, inMemoryMapOutputs.size() -> 12, commitMemory -> 765540926, usedMemory ->839684024
21/04/26 21:28:21 INFO reduce.EventFetcher: EventFetcher is interrupted.. Returning
21/04/26 21:28:21 INFO mapred.LocalJobRunner: 12 / 12 copied.
21/04/26 21:28:21 INFO reduce.MergeManagerImpl: finalMerge called with 12 in-memory map-outputs and 0 on-disk map-outputs
21/04/26 21:28:21 INFO mapred.Merger: Merging 12 sorted segments
21/04/26 21:28:21 INFO mapred.Merger: Down to the last merge-pass, with 12 segments left of total size: 839683988 bytes
21/04/26 21:28:26 INFO mapred.LocalJobRunner: reduce > sort
21/04/26 21:28:26 INFO mapreduce.Job: map 100% reduce 38%
21/04/26 21:28:29 INFO mapred.LocalJobRunner: reduce > sort
21/04/26 21:28:29 INFO mapreduce.Job: map 100% reduce 43%
21/04/26 21:28:32 INFO mapred.LocalJobRunner: reduce > sort
21/04/26 21:28:32 INFO mapreduce.Job: map 100% reduce 48%
21/04/26 21:28:35 INFO mapred.LocalJobRunner: reduce > sort
21/04/26 21:28:35 INFO mapreduce.Job: map 100% reduce 52%
21/04/26 21:28:38 INFO mapred.LocalJobRunner: reduce > sort
21/04/26 21:28:38 INFO mapreduce.Job: map 100% reduce 56%
21/04/26 21:28:41 INFO mapred.LocalJobRunner: reduce > sort
21/04/26 21:28:41 INFO mapreduce.Job: map 100% reduce 59%
21/04/26 21:28:44 INFO mapred.LocalJobRunner: reduce > sort
21/04/26 21:28:44 INFO mapreduce.Job: map 100% reduce 63%
21/04/26 21:28:46 INFO reduce.MergeManagerImpl: Merged 12 segments, 839684024 bytes to disk to satisfy reduce memory limit
21/04/26 21:28:46 INFO reduce.MergeManagerImpl: Merging 1 files, 839684006 bytes from disk
21/04/26 21:28:46 INFO reduce.MergeManagerImpl: Merging 0 segments, 0 bytes from memory into reduce
21/04/26 21:28:46 INFO mapred.Merger: Merging 1 sorted segments
21/04/26 21:28:46 INFO mapred.Merger: Down to the last merge-pass, with 1 segments left of total size: 839683999 bytes
21/04/26 21:28:46 INFO mapred.LocalJobRunner: reduce > sort
21/04/26 21:28:46 INFO Configuration.deprecation: mapred.skip.on is deprecated. Instead, use mapreduce.job.skiprecords
21/04/26 21:28:47 INFO mapred.LocalJobRunner: reduce > reduce
21/04/26 21:28:47 INFO mapreduce.Job: map 100% reduce 67%
21/04/26 21:28:50 INFO mapred.LocalJobRunner: reduce > reduce
21/04/26 21:28:50 INFO mapreduce.Job: map 100% reduce 69%
21/04/26 21:28:53 INFO mapred.LocalJobRunner: reduce > reduce
21/04/26 21:28:53 INFO mapreduce.Job: map 100% reduce 72%
21/04/26 21:28:56 INFO mapred.LocalJobRunner: reduce > reduce
21/04/26 21:28:56 INFO mapreduce.Job: map 100% reduce 76%
21/04/26 21:28:59 INFO mapred.LocalJobRunner: reduce > reduce
21/04/26 21:28:59 INFO mapreduce.Job: map 100% reduce 79%
21/04/26 21:29:02 INFO mapred.LocalJobRunner: reduce > reduce
21/04/26 21:29:02 INFO mapreduce.Job: map 100% reduce 83%
21/04/26 21:29:05 INFO mapred.LocalJobRunner: reduce > reduce
21/04/26 21:29:05 INFO mapreduce.Job: map 100% reduce 86%
21/04/26 21:29:08 INFO mapred.LocalJobRunner: reduce > reduce
21/04/26 21:29:08 INFO mapreduce.Job: map 100% reduce 89%
21/04/26 21:29:11 INFO mapred.LocalJobRunner: reduce > reduce
21/04/26 21:29:11 INFO mapreduce.Job: map 100% reduce 92%
21/04/26 21:29:14 INFO mapred.LocalJobRunner: reduce > reduce
21/04/26 21:29:14 INFO mapreduce.Job: map 100% reduce 95%
21/04/26 21:29:17 INFO mapred.LocalJobRunner: reduce > reduce
21/04/26 21:29:17 INFO mapreduce.Job: map 100% reduce 99%
21/04/26 21:29:18 INFO mapred.Task: Task:attempt_local588307001_0001_r_000000_0 is done. And is in the process of committing
21/04/26 21:29:18 INFO mapred.LocalJobRunner: reduce > reduce
21/04/26 21:29:18 INFO mapred.Task: Task attempt_local588307001_0001_r_000000_0 is allowed to commit now
21/04/26 21:29:18 INFO output.FileOutputCommitter: Saved output of task 'attempt_local588307001_0001_r_000000_0' to file:/E:/bigdata/2021.4.26/result/_temporary/0/task_local588307001_0001_r_000000
21/04/26 21:29:18 INFO mapred.LocalJobRunner: reduce > reduce
21/04/26 21:29:18 INFO mapred.Task: Task 'attempt_local588307001_0001_r_000000_0' done.
21/04/26 21:29:18 INFO mapred.Task: Final Counters for attempt_local588307001_0001_r_000000_0: Counters: 24
File System Counters
FILE: Number of bytes read=2875008947
FILE: Number of bytes written=2495236732
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Combine input records=0
Combine output records=0
Reduce input groups=6
Reduce shuffle bytes=839684072
Reduce input records=79388000
Reduce output records=6
Spilled Records=79388000
Shuffled Maps =12
Failed Shuffles=0
Merged Map outputs=12
GC time elapsed (ms)=370
Total committed heap usage (bytes)=2379218944
Shuffle Errors
BAD_ID=0
CONNECTION=0
IO_ERROR=0
WRONG_LENGTH=0
WRONG_MAP=0
WRONG_REDUCE=0
File Output Format Counters
Bytes Written=94
21/04/26 21:29:18 INFO mapred.LocalJobRunner: Finishing task: attempt_local588307001_0001_r_000000_0
21/04/26 21:29:18 INFO mapred.LocalJobRunner: reduce task executor complete.
21/04/26 21:29:18 INFO mapreduce.Job: map 100% reduce 100%
21/04/26 21:29:18 INFO mapreduce.Job: Job job_local588307001_0001 completed successfully
21/04/26 21:29:18 INFO mapreduce.Job: Counters: 30
File System Counters
FILE: Number of bytes read=11179032658
FILE: Number of bytes written=13940914909
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=33308000
Map output records=79388000
Map output bytes=680908000
Map output materialized bytes=839684072
Input split bytes=1176
Combine input records=0
Combine output records=0
Reduce input groups=6
Reduce shuffle bytes=839684072
Reduce input records=79388000
Reduce output records=6
Spilled Records=235884529
Shuffled Maps =12
Failed Shuffles=0
Merged Map outputs=12
GC time elapsed (ms)=1198
Total committed heap usage (bytes)=15761670144
Shuffle Errors
BAD_ID=0
CONNECTION=0
IO_ERROR=0
WRONG_LENGTH=0
WRONG_MAP=0
WRONG_REDUCE=0
File Input Format Counters
Bytes Read=380055056
File Output Format Counters
Bytes Written=94
status = 0
Process finished with exit code 0
比虛擬機集群還要慢！！！步驟還長，，，簡直不能忍：
但結果是正確的，
二手房數量統計小專案
package com.aa.secondhouse;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.Reducer;
import org.apache.hadoop.mapreduce.lib.input.TextInputFormat;
import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import java.io.IOException;
public class SecondHouseCount extends Configured implements Tool {
//構建、配置、提交
@Override
public int run(String[] strings) throws Exception {
//實體化一個MapReduce的Job物件
Job job = Job.getInstance(this.getConf(), "second house numb");
//指定允許Jar包運行的類
job.setJarByClass(SecondHouseCount.class);
//InPut
//指定輸入類的型別
job.setInputFormatClass(TextInputFormat.class);//可以不指定，默認是TextInputFormat
//指定輸入流
Path inputPath = new Path("E:\\bigdata\\2021.4.26\\secondhouse.csv");//使用本地路徑作為程式輸入
TextInputFormat.setInputPaths(job, inputPath);
//Map：配置Map
job.setMapperClass(SecondMapper.class);//用來設定Mapper類
job.setMapOutputKeyClass(Text.class);//設定K2的型別
job.setMapOutputValueClass(IntWritable.class);//設定V2的型別
//shuffle：配置shuffle
//job.setPartitionerClass(null);//設定磁區器
//job.setSortComparatorClass(null);//設定排序器
//job.setGroupingComparatorClass(null);//設定分組器
//job.setCombinerClass(null);//設定Map端聚合
//Reduce：配置Reduce
job.setReducerClass(SecondReducer.class);//設定呼叫Reduce的類
job.setOutputKeyClass(Text.class);//設定K3的型別
job.setOutputValueClass(IntWritable.class);//設定V3的型別
job.setNumReduceTasks(1);//設定ReduceTask的個數，默認為1個
//Output：配置輸出
job.setOutputFormatClass(TextOutputFormat.class);//默認是使用TextOutputFormat
//設定輸出的路徑
Path outputPath = new Path("E:\\bigdata\\2021.4.26\\result1");
//判斷輸出路徑是否存在，存在就洗掉
FileSystem fs = FileSystem.get(this.getConf());
if (fs.exists(outputPath)) {
fs.delete(outputPath, true);
}
TextOutputFormat.setOutputPath(job, outputPath);
//提交job
return job.waitForCompletion(true) ? 0 : -1;
}
public static void main(String[] args) throws Exception {
//構建配置管理物件
Configuration conf = new Configuration();
//通過工具類的run方法呼叫當前類的實體的run方法
int status = ToolRunner.run(conf, new SecondHouseCount(), args);
System.out.println("status = " + status);
//退出程式
System.exit(status);
}
public static class SecondMapper extends Mapper<LongWritable, Text, Text, IntWritable> {
//輸出K2
Text outputKey = new Text();
//輸出V2
IntWritable outputValue = new IntWritable(1);//不設定會導致結果=0
@Override
protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
//取出地區
String region = value.toString().split(",")[3];
//取出作為K2
this.outputKey.set(region);
//輸出
context.write(this.outputKey,this.outputValue);
}
}
public static class SecondReducer extends Reducer<Text,IntWritable,Text,IntWritable>{
//輸出V3
IntWritable outputValue=new IntWritable();
@Override
protected void reduce(Text key, Iterable<IntWritable> values, Context context) throws IOException, InterruptedException {
int sum=0;
for (IntWritable value : values) {
sum+=value.get();
}
this.outputValue.set(sum);
context.write(key,this.outputValue);
}
}
}
直接給定絕對路徑，，，最好新建一個檔案夾，不然這段程式執行后會把第二個路徑清空，，，HDD還能搶救一下，SSD欲哭無淚，，，
csv是逗號分割的文本格式，大概長這副德行：
傳感器之類的下位機有時候會保存檔案為csv，
運行程序：
21/04/26 22:28:27 INFO Configuration.deprecation: session.id is deprecated. Instead, use dfs.metrics.session-id
21/04/26 22:28:27 INFO jvm.JvmMetrics: Initializing JVM Metrics with processName=JobTracker, sessionId=
21/04/26 22:28:28 WARN mapreduce.JobResourceUploader: No job jar file set. User classes may not be found. See Job or Job#setJar(String).
21/04/26 22:28:28 INFO input.FileInputFormat: Total input paths to process : 1
21/04/26 22:28:28 INFO mapreduce.JobSubmitter: number of splits:1
21/04/26 22:28:29 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_local1236341923_0001
21/04/26 22:28:29 INFO mapreduce.Job: The url to track the job: http://localhost:8080/
21/04/26 22:28:29 INFO mapreduce.Job: Running job: job_local1236341923_0001
21/04/26 22:28:29 INFO mapred.LocalJobRunner: OutputCommitter set in config null
21/04/26 22:28:29 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 22:28:29 INFO mapred.LocalJobRunner: OutputCommitter is org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
21/04/26 22:28:29 INFO mapred.LocalJobRunner: Waiting for map tasks
21/04/26 22:28:29 INFO mapred.LocalJobRunner: Starting task: attempt_local1236341923_0001_m_000000_0
21/04/26 22:28:29 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 22:28:29 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 22:28:29 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@3e639b3a
21/04/26 22:28:29 INFO mapred.MapTask: Processing split: file:/E:/bigdata/2021.4.26/secondhouse.csv:0+2225948
21/04/26 22:28:29 INFO mapred.MapTask: (EQUATOR) 0 kvi 26214396(104857584)
21/04/26 22:28:29 INFO mapred.MapTask: mapreduce.task.io.sort.mb: 100
21/04/26 22:28:29 INFO mapred.MapTask: soft limit at 83886080
21/04/26 22:28:29 INFO mapred.MapTask: bufstart = 0; bufvoid = 104857600
21/04/26 22:28:29 INFO mapred.MapTask: kvstart = 26214396; length = 6553600
21/04/26 22:28:29 INFO mapred.MapTask: Map output collector class = org.apache.hadoop.mapred.MapTask$MapOutputBuffer
21/04/26 22:28:29 INFO mapred.LocalJobRunner:
21/04/26 22:28:29 INFO mapred.MapTask: Starting flush of map output
21/04/26 22:28:29 INFO mapred.MapTask: Spilling map output
21/04/26 22:28:29 INFO mapred.MapTask: bufstart = 0; bufend = 310211; bufvoid = 104857600
21/04/26 22:28:29 INFO mapred.MapTask: kvstart = 26214396(104857584); kvend = 26101596(104406384); length = 112801/6553600
21/04/26 22:28:29 INFO mapred.MapTask: Finished spill 0
21/04/26 22:28:29 INFO mapred.Task: Task:attempt_local1236341923_0001_m_000000_0 is done. And is in the process of committing
21/04/26 22:28:29 INFO mapred.LocalJobRunner: map
21/04/26 22:28:29 INFO mapred.Task: Task 'attempt_local1236341923_0001_m_000000_0' done.
21/04/26 22:28:29 INFO mapred.Task: Final Counters for attempt_local1236341923_0001_m_000000_0: Counters: 17
File System Counters
FILE: Number of bytes read=2226112
FILE: Number of bytes written=660803
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=28201
Map output records=28201
Map output bytes=310211
Map output materialized bytes=366619
Input split bytes=107
Combine input records=0
Spilled Records=28201
Failed Shuffles=0
Merged Map outputs=0
GC time elapsed (ms)=0
Total committed heap usage (bytes)=385875968
File Input Format Counters
Bytes Read=2225948
21/04/26 22:28:29 INFO mapred.LocalJobRunner: Finishing task: attempt_local1236341923_0001_m_000000_0
21/04/26 22:28:29 INFO mapred.LocalJobRunner: map task executor complete.
21/04/26 22:28:29 INFO mapred.LocalJobRunner: Waiting for reduce tasks
21/04/26 22:28:29 INFO mapred.LocalJobRunner: Starting task: attempt_local1236341923_0001_r_000000_0
21/04/26 22:28:29 INFO output.FileOutputCommitter: File Output Committer Algorithm version is 1
21/04/26 22:28:29 INFO util.ProcfsBasedProcessTree: ProcfsBasedProcessTree currently is supported only on Linux.
21/04/26 22:28:29 INFO mapred.Task: Using ResourceCalculatorProcessTree : org.apache.hadoop.yarn.util.WindowsBasedProcessTree@50329503
21/04/26 22:28:29 INFO mapred.ReduceTask: Using ShuffleConsumerPlugin: org.apache.hadoop.mapreduce.task.reduce.Shuffle@7a43db10
21/04/26 22:28:29 INFO reduce.MergeManagerImpl: MergerManager: memoryLimit=3995913472, maxSingleShuffleLimit=998978368, mergeThreshold=2637303040, ioSortFactor=10, memToMemMergeOutputsThreshold=10
21/04/26 22:28:29 INFO reduce.EventFetcher: attempt_local1236341923_0001_r_000000_0 Thread started: EventFetcher for fetching Map Completion Events
21/04/26 22:28:29 INFO reduce.LocalFetcher: localfetcher#1 about to shuffle output of map attempt_local1236341923_0001_m_000000_0 decomp: 366615 len: 366619 to MEMORY
21/04/26 22:28:29 INFO reduce.InMemoryMapOutput: Read 366615 bytes from map-output for attempt_local1236341923_0001_m_000000_0
21/04/26 22:28:29 INFO reduce.MergeManagerImpl: closeInMemoryFile -> map-output of size: 366615, inMemoryMapOutputs.size() -> 1, commitMemory -> 0, usedMemory ->366615
21/04/26 22:28:29 INFO reduce.EventFetcher: EventFetcher is interrupted.. Returning
21/04/26 22:28:29 INFO mapred.LocalJobRunner: 1 / 1 copied.
21/04/26 22:28:29 INFO reduce.MergeManagerImpl: finalMerge called with 1 in-memory map-outputs and 0 on-disk map-outputs
21/04/26 22:28:29 INFO mapred.Merger: Merging 1 sorted segments
21/04/26 22:28:29 INFO mapred.Merger: Down to the last merge-pass, with 1 segments left of total size: 366606 bytes
21/04/26 22:28:29 INFO reduce.MergeManagerImpl: Merged 1 segments, 366615 bytes to disk to satisfy reduce memory limit
21/04/26 22:28:29 INFO reduce.MergeManagerImpl: Merging 1 files, 366619 bytes from disk
21/04/26 22:28:29 INFO reduce.MergeManagerImpl: Merging 0 segments, 0 bytes from memory into reduce
21/04/26 22:28:29 INFO mapred.Merger: Merging 1 sorted segments
21/04/26 22:28:29 INFO mapred.Merger: Down to the last merge-pass, with 1 segments left of total size: 366606 bytes
21/04/26 22:28:29 INFO mapred.LocalJobRunner: 1 / 1 copied.
21/04/26 22:28:29 INFO Configuration.deprecation: mapred.skip.on is deprecated. Instead, use mapreduce.job.skiprecords
21/04/26 22:28:29 INFO mapred.Task: Task:attempt_local1236341923_0001_r_000000_0 is done. And is in the process of committing
21/04/26 22:28:29 INFO mapred.LocalJobRunner: 1 / 1 copied.
21/04/26 22:28:29 INFO mapred.Task: Task attempt_local1236341923_0001_r_000000_0 is allowed to commit now
21/04/26 22:28:29 INFO output.FileOutputCommitter: Saved output of task 'attempt_local1236341923_0001_r_000000_0' to file:/E:/bigdata/2021.4.26/result1/_temporary/0/task_local1236341923_0001_r_000000
21/04/26 22:28:29 INFO mapred.LocalJobRunner: reduce > reduce
21/04/26 22:28:29 INFO mapred.Task: Task 'attempt_local1236341923_0001_r_000000_0' done.
21/04/26 22:28:29 INFO mapred.Task: Final Counters for attempt_local1236341923_0001_r_000000_0: Counters: 24
File System Counters
FILE: Number of bytes read=2959382
FILE: Number of bytes written=1027631
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Combine input records=0
Combine output records=0
Reduce input groups=17
Reduce shuffle bytes=366619
Reduce input records=28201
Reduce output records=17
Spilled Records=28201
Shuffled Maps =1
Failed Shuffles=0
Merged Map outputs=1
GC time elapsed (ms)=9
Total committed heap usage (bytes)=385875968
Shuffle Errors
BAD_ID=0
CONNECTION=0
IO_ERROR=0
WRONG_LENGTH=0
WRONG_MAP=0
WRONG_REDUCE=0
File Output Format Counters
Bytes Written=209
21/04/26 22:28:29 INFO mapred.LocalJobRunner: Finishing task: attempt_local1236341923_0001_r_000000_0
21/04/26 22:28:29 INFO mapred.LocalJobRunner: reduce task executor complete.
21/04/26 22:28:30 INFO mapreduce.Job: Job job_local1236341923_0001 running in uber mode : false
21/04/26 22:28:30 INFO mapreduce.Job: map 100% reduce 100%
21/04/26 22:28:30 INFO mapreduce.Job: Job job_local1236341923_0001 completed successfully
21/04/26 22:28:30 INFO mapreduce.Job: Counters: 30
File System Counters
FILE: Number of bytes read=5185494
FILE: Number of bytes written=1688434
FILE: Number of read operations=0
FILE: Number of large read operations=0
FILE: Number of write operations=0
Map-Reduce Framework
Map input records=28201
Map output records=28201
Map output bytes=310211
Map output materialized bytes=366619
Input split bytes=107
Combine input records=0
Combine output records=0
Reduce input groups=17
Reduce shuffle bytes=366619
Reduce input records=28201
Reduce output records=17
Spilled Records=56402
Shuffled Maps =1
Failed Shuffles=0
Merged Map outputs=1
GC time elapsed (ms)=9
Total committed heap usage (bytes)=771751936
Shuffle Errors
BAD_ID=0
CONNECTION=0
IO_ERROR=0
WRONG_LENGTH=0
WRONG_MAP=0
WRONG_REDUCE=0
File Input Format Counters
Bytes Read=2225948
File Output Format Counters
Bytes Written=209
status = 0
Process finished with exit code 0
執行后：
至此，已初步掌握MapReduce，
MapReduce進階繼續介紹MapReduce的更多用法，
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標籤：其他