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https://issues.apache.org/jira/browse/YARN-7697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16359708#comment-16359708
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Wangda Tan commented on YARN-7697:
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Patch LGTM, thanks [~xgong].Will commit tomorrow if no objections.
> NM goes down with OOM due to leak in log-aggregation
> ----------------------------------------------------
>
> Key: YARN-7697
> URL: https://issues.apache.org/jira/browse/YARN-7697
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 3.1.0
> Reporter: Santhosh B Gowda
> Assignee: Xuan Gong
> Priority: Blocker
> Attachments: YARN-7697.1.patch, YARN-7697.2.patch, YARN-7697.3.patch
>
>
> 2017-12-29 01:43:50,601 FATAL yarn.YarnUncaughtExceptionHandler
> (YarnUncaughtExceptionHandler.java:uncaughtException(51)) - Thread
> Thread[LogAggregationService #0,5,main] threw an Error. Shutting down now...
> java.lang.OutOfMemoryError: Java heap space
> at
> org.apache.hadoop.yarn.logaggregation.filecontroller.ifile.LogAggregationIndexedFileController.loadIndexedLogsMeta(LogAggregationIndexedFileController.java:823)
> at
> org.apache.hadoop.yarn.logaggregation.filecontroller.ifile.LogAggregationIndexedFileController.loadIndexedLogsMeta(LogAggregationIndexedFileController.java:840)
> at
> org.apache.hadoop.yarn.logaggregation.filecontroller.ifile.LogAggregationIndexedFileController.initializeWriterInRolling(LogAggregationIndexedFileController.java:293)
> at
> org.apache.hadoop.yarn.logaggregation.filecontroller.ifile.LogAggregationIndexedFileController.access$600(LogAggregationIndexedFileController.java:98)
> at
> org.apache.hadoop.yarn.logaggregation.filecontroller.ifile.LogAggregationIndexedFileController$1.run(LogAggregationIndexedFileController.java:216)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1866)
> at
> org.apache.hadoop.yarn.logaggregation.filecontroller.ifile.LogAggregationIndexedFileController.initializeWriter(LogAggregationIndexedFileController.java:197)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.AppLogAggregatorImpl.uploadLogsForContainers(AppLogAggregatorImpl.java:205)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.AppLogAggregatorImpl.doAppLogAggregation(AppLogAggregatorImpl.java:312)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.AppLogAggregatorImpl.run(AppLogAggregatorImpl.java:284)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.LogAggregationService$1.run(LogAggregationService.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> 2017-12-29 01:43:50,601 INFO application.ApplicationImpl
> (ApplicationImpl.java:handle(464)) - Application ap
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