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Posted to yarn-issues@hadoop.apache.org by "Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org> on 2015/02/03 20:24:35 UTC

[jira] [Commented] (YARN-3130) Progress report log is incredibly excessive in application master

    [ https://issues.apache.org/jira/browse/YARN-3130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14303799#comment-14303799 ] 

Vinod Kumar Vavilapalli commented on YARN-3130:
-----------------------------------------------

This belongs to MR project, moving it.

> Progress report log is incredibly excessive in application master
> -----------------------------------------------------------------
>
>                 Key: YARN-3130
>                 URL: https://issues.apache.org/jira/browse/YARN-3130
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: applications
>    Affects Versions: 2.4.0
>            Reporter: Jian Fang
>
> We saw incredibly excessive logs in application master for a long running one with many task attempts. The log write rate is around 1MB/sec in some cases. 
> Most of the log entries were from the progress report such as the following ones.
>     2015-02-03 17:46:14,321 INFO [IPC Server handler 56 on 37661] org.apache.hadoop.mapred.TaskAttemptListenerImpl: Progress of TaskAttempt attempt_1422985365246_0001_m_000000_0 is : 0.15605757
>     2015-02-03 17:46:17,581 INFO [IPC Server handler 2 on 37661] org.apache.hadoop.mapred.TaskAttemptListenerImpl: Progress of TaskAttempt attempt_1422985365246_0001_m_000000_0 is : 0.4108217
>     2015-02-03 17:46:20,426 INFO [IPC Server handler 0 on 37661] org.apache.hadoop.mapred.TaskAttemptListenerImpl: Progress of TaskAttempt attempt_1422985365246_0001_m_000002_0 is : 0.06634143
>     2015-02-03 17:46:20,807 INFO [IPC Server handler 4 on 37661] org.apache.hadoop.mapred.TaskAttemptListenerImpl: Progress of TaskAttempt attempt_1422985365246_0001_m_000000_0 is : 0.55556506
>     2015-02-03 17:46:21,013 INFO [IPC Server handler 6 on 37661] org.apache.hadoop.mapred.TaskAttemptListenerImpl: Progress of TaskAttempt attempt_1422985365246_0001_m_000001_0 is : 0.21723115
> Looks like the report interval is controlled by a hard-coded variable PROGRESS_INTERVAL as 3 seconds in class org.apache.hadoop.mapred.Task. We should allow users to set the appropriate progress interval for their applications.



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