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https://issues.apache.org/jira/browse/MAPREDUCE-1100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12851365#action_12851365
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Guilin Sun commented on MAPREDUCE-1100:
---------------------------------------
class JvmEnv missed logSize argument in its constructor, so 'tail -c' seems
never works.
{code:title=JvmManager.java|borderStyle=solid}
public JvmEnv(List<String> setup, Vector<String> vargs, File stdout,
File stderr, long logSize, File workDir, Map<String,String> env,
JobConf conf) {
this.setup = setup;
this.vargs = vargs;
this.stdout = stdout;
this.stderr = stderr;
this.workDir = workDir;
this.env = env;
this.conf = conf;
}
{code}
> User's task-logs filling up local disks on the TaskTrackers
> -----------------------------------------------------------
>
> Key: MAPREDUCE-1100
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1100
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 0.21.0
> Reporter: Vinod K V
> Assignee: Vinod K V
> Attachments: MAPREDUCE-1100-20091102.txt,
> MAPREDUCE-1100-20091106.txt, MAPREDUCE-1100-20091216.2.txt,
> patch-1100-fix-ydist.2.txt
>
>
> Some user's jobs are filling up TT disks by outrageous logging.
> mapreduce.task.userlog.limit.kb is not enabled on the cluster. Disks are
> getting filled up before task-log cleanup via
> mapred.task.userlog.retain.hours can kick in.
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