Mapreduce报错:Split metadata size exceeded 10000000

报错信息:

Failure Info:Job initialization failed: java.io.IOException: Split metadata size exceeded 10000000.   
Aborting job job_201205162059_1073852 at   
org.apache.hadoop.mapreduce.split.SplitMetaInfoReader.readSplitMetaInfo(SplitMetaInfoReader.java:48) at   
org.apache.hadoop.mapred.JobInProgress.createSplits(JobInProgress.java:817) at   
org.apache.hadoop.mapred.JobInProgress.initTasks(JobInProgress.java:711) at   
org.apache.hadoop.mapred.JobTracker.initJob(JobTracker.java:4028) at   
org.apache.hadoop.mapred.EagerTaskInitializationListener$InitJob.run(EagerTaskInitializationListener.java:79) at   
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at   
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662)   

 

出错原因:该job的job.splitmetainfo文件大小超过限制;

 

1. job.splitmetainfo,该文件记录split的元数据信息,job split ----> HDFS block && slave node

  存放路径位于:${hadoop.tmp.dir}/mapred/staging/${user.name}/.staging/jobId/

 

2. 参数mapreduce.jobtracker.split.metainfo.maxsize控制该文件的最大大小,默认为:10000000(10M)

posted @ 2013-09-27 18:57  王晓伟  阅读(2891)  评论(0编辑  收藏