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From "Tarun Parimi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8627) EntityGroupFSTimelineStore hdfs done directory keeps on accumulating
Date Thu, 11 Oct 2018 05:16:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16645983#comment-16645983
] 

Tarun Parimi commented on YARN-8627:
------------------------------------

[~rohithsharma] Attached the domain log files for three such applications in [^app-domain-logs.zip] .
All these are Tez applications. I can see that the domainId of the two domain files are a
slightly different, where the one with a wrong directory structure has  "Tez_ATS_application_1534014715392_830173_1",
while the one in proper directory is "Tez_ATS_application_1534014715392_830173". 

 The domainId "Tez_ATS_application_1534014715392_830173_1" seems to be created by {{org.apache.tez.dag.history.ats.acls.ATSV15HistoryACLPolicyManager#createDAGDomain}}
and the other domain by {{org.apache.tez.dag.history.ats.acls.ATSV15HistoryACLPolicyManager#createSessionDomain}}
.

No idea how the DAGDomain log gets written in the wrong directory structure. Will try to see
if I can reproduce locally based on this.

 

 

> EntityGroupFSTimelineStore hdfs done directory keeps on accumulating
> --------------------------------------------------------------------
>
>                 Key: YARN-8627
>                 URL: https://issues.apache.org/jira/browse/YARN-8627
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: timelineserver
>    Affects Versions: 2.8.0
>            Reporter: Tarun Parimi
>            Assignee: Tarun Parimi
>            Priority: Major
>         Attachments: YARN-8627.001.patch, YARN-8627.002.patch, app-domain-logs.zip
>
>
> The EntityLogCleaner threads exits with the following ERROR every time it runs.  
> {code:java}
> 2018-07-18 19:59:39,837 INFO timeline.EntityGroupFSTimelineStore (EntityGroupFSTimelineStore.java:cleanLogs(462))
- Deleting hdfs://namenode/ats/done/1499684568068/0000/018/application_1499684568068_18268
> 2018-07-18 19:59:39,844 INFO timeline.EntityGroupFSTimelineStore (EntityGroupFSTimelineStore.java:cleanLogs(462))
- Deleting hdfs://namenode/ats/done/1499684568068/0000/018/application_1499684568068_18270
> 2018-07-18 19:59:39,848 ERROR timeline.EntityGroupFSTimelineStore (EntityGroupFSTimelineStore.java:run(899))
- Error cleaning files  java.io.FileNotFoundException: File hdfs://namenode/ats/done/1499684568068/0000/018/application_1499684568068_18270
does not exist.  at org.apache.hadoop.hdfs.DistributedFileSystem$DirListingIterator.<init>(DistributedFileSystem.java:1062) 
at org.apache.hadoop.hdfs.DistributedFileSystem$DirListingIterator.<init>(DistributedFileSystem.java:1069) 
at org.apache.hadoop.hdfs.DistributedFileSystem$DirListingIterator.<init>(DistributedFileSystem.java:1040) 
at org.apache.hadoop.hdfs.DistributedFileSystem$23.doCall(DistributedFileSystem.java:1019) 
at org.apache.hadoop.hdfs.DistributedFileSystem$23.doCall(DistributedFileSystem.java:1015) 
at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)  at
org.apache.hadoop.hdfs.DistributedFileSystem.listStatusIterator(DistributedFileSystem.java:1015) 
at org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore.shouldCleanAppLogDir(EntityGroupFSTimelineStore.java:480) 
> {code}
>  
>  Each time the thread gets scheduled, it is a different folder encountering the error.
As a result, the thread is not able to clean all the old done directories, since it stops
after this error. 



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