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https://issues.apache.org/jira/browse/YARN-5523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15425312#comment-15425312
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Varun Saxena commented on YARN-5523:
------------------------------------
I made trivial modification to patch before committing it. A comment was
repeated both inside getMatchedContainerLogFiles method and outside it. So
removed one occurrence. As the change was insignificant, I made the change
myself. I have updated patch with that change.
> Yarn running container log fetching causes OutOfMemoryError
> -----------------------------------------------------------
>
> Key: YARN-5523
> URL: https://issues.apache.org/jira/browse/YARN-5523
> Project: Hadoop YARN
> Issue Type: Bug
> Components: log-aggregation
> Affects Versions: 2.9.0
> Reporter: Prasanth Jayachandran
> Assignee: Xuan Gong
> Fix For: 2.9.0
>
> Attachments: YARN-5523.1.patch, YARN-5523.branch-2.2.patch,
> YARN-5523.branch-2.2.patch, YARN-5523.trunk.1.patch, YARN-5523.trunk.2.patch,
> YARN-5523.trunk.3.patch, YARN-5523.trunk.3.patch
>
>
> Fetching a 256MB log from container caused OOM on client
> {code}
> [hive@ctr-e20-1468887904486-0007-01-000003 ~]$ yarn logs -applicationId
> application_1470931023753_0001 -log_files log_2016-08-11-21_3.done > logs
> 16/08/11 21:58:11 INFO impl.TimelineClientImpl: Timeline service address:
> http://ctr-e20-1468887904486-0007-01-000003.hwx.site:8188/ws/v1/timeline/
> 16/08/11 21:58:11 INFO client.RMProxy: Connecting to ResourceManager at
> ctr-e20-1468887904486-0007-01-000003.hwx.site/172.27.8.192:8050
> 16/08/11 21:58:12 INFO client.AHSProxy: Connecting to Application History
> server at ctr-e20-1468887904486-0007-01-000003.hwx.site/172.27.8.192:10200
> Can not find any log file matching the pattern: [log_2016-08-11-21_3.done]
> for the container: container_e04_1470931023753_0001_01_000001 within the
> application: application_1470931023753_0001
> Can not find any log file matching the pattern: [log_2016-08-11-21_3.done]
> for the container: container_e04_1470931023753_0001_01_000002 within the
> application: application_1470931023753_0001
> Can not find any log file matching the pattern: [log_2016-08-11-21_3.done]
> for the container: container_e04_1470931023753_0001_01_000003 within the
> application: application_1470931023753_0001
> Can not find any log file matching the pattern: [log_2016-08-11-21_3.done]
> for the container: container_e04_1470931023753_0001_01_000004 within the
> application: application_1470931023753_0001
> Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
> at java.util.Arrays.copyOf(Arrays.java:3332)
> at
> java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:137)
> at
> java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:121)
> at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:569)
> at java.lang.StringBuilder.append(StringBuilder.java:190)
> at
> com.sun.jersey.core.util.ReaderWriter.readFromAsString(ReaderWriter.java:172)
> at
> com.sun.jersey.core.util.ReaderWriter.readFromAsString(ReaderWriter.java:157)
> at
> com.sun.jersey.core.provider.AbstractMessageReaderWriterProvider.readFromAsString(AbstractMessageReaderWriterProvider.java:114)
> at
> com.sun.jersey.core.impl.provider.entity.StringProvider.readFrom(StringProvider.java:73)
> at
> com.sun.jersey.core.impl.provider.entity.StringProvider.readFrom(StringProvider.java:58)
> at
> com.sun.jersey.api.client.ClientResponse.getEntity(ClientResponse.java:553)
> at
> com.sun.jersey.api.client.ClientResponse.getEntity(ClientResponse.java:506)
> at
> org.apache.hadoop.yarn.client.cli.LogsCLI.printContainerLogsFromRunningApplication(LogsCLI.java:477)
> at
> org.apache.hadoop.yarn.client.cli.LogsCLI.fetchApplicationLogs(LogsCLI.java:950)
> at org.apache.hadoop.yarn.client.cli.LogsCLI.runCommand(LogsCLI.java:280)
> at org.apache.hadoop.yarn.client.cli.LogsCLI.run(LogsCLI.java:102)
> at org.apache.hadoop.yarn.client.cli.LogsCLI.main(LogsCLI.java:307)
> {code}
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