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https://issues.apache.org/jira/browse/YARN-2942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14315405#comment-14315405
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Hadoop QA commented on YARN-2942:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12697901/YARN-2942.002.patch
against trunk revision d5855c0.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 3 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:red}-1 findbugs{color}. The patch appears to cause Findbugs
(version 2.0.3) to fail.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 core tests{color}. The test build failed in
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api
Test results:
https://builds.apache.org/job/PreCommit-YARN-Build/6586//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/6586//console
This message is automatically generated.
> Aggregated Log Files should be compacted
> ----------------------------------------
>
> Key: YARN-2942
> URL: https://issues.apache.org/jira/browse/YARN-2942
> Project: Hadoop YARN
> Issue Type: New Feature
> Affects Versions: 2.6.0
> Reporter: Robert Kanter
> Assignee: Robert Kanter
> Attachments: CompactedAggregatedLogsProposal_v1.pdf,
> CompactedAggregatedLogsProposal_v2.pdf, YARN-2942-preliminary.001.patch,
> YARN-2942-preliminary.002.patch, YARN-2942.001.patch, YARN-2942.002.patch,
> YARN-2942.003.patch
>
>
> Turning on log aggregation allows users to easily store container logs in
> HDFS and subsequently view them in the YARN web UIs from a central place.
> Currently, there is a separate log file for each Node Manager. This can be a
> problem for HDFS if you have a cluster with many nodes as you’ll slowly start
> accumulating many (possibly small) files per YARN application. The current
> “solution” for this problem is to configure YARN (actually the JHS) to
> automatically delete these files after some amount of time.
> We should improve this by compacting the per-node aggregated log files into
> one log file per application.
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