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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3925) ContainerLogsUtils#getContainerLogFile fails to read container log files from full disks.
Date Sat, 25 Jul 2015 15:18:08 GMT

    [ https://issues.apache.org/jira/browse/YARN-3925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14641670#comment-14641670
] 

Hudson commented on YARN-3925:
------------------------------

SUCCESS: Integrated in Hadoop-Mapreduce-trunk-Java8 #264 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/264/])
YARN-3925. ContainerLogsUtils#getContainerLogFile fails to read container log files from full
disks. Contributed by zhihai xu (jlowe: rev ff9c13e0a739bb13115167dc661b6a16b2ed2c04)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestContainerLogsPage.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LocalDirsHandlerService.java
* hadoop-yarn-project/CHANGES.txt


> ContainerLogsUtils#getContainerLogFile fails to read container log files from full disks.
> -----------------------------------------------------------------------------------------
>
>                 Key: YARN-3925
>                 URL: https://issues.apache.org/jira/browse/YARN-3925
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.7.1
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>            Priority: Critical
>             Fix For: 2.7.2
>
>         Attachments: YARN-3925.000.patch, YARN-3925.001.patch
>
>
> ContainerLogsUtils#getContainerLogFile fails to read files from full disks.
> {{getContainerLogFile}} depends on {{LocalDirsHandlerService#getLogPathToRead}} to get
the log file, but {{LocalDirsHandlerService#getLogPathToRead}} calls {{logDirsAllocator.getLocalPathToRead}}
and {{logDirsAllocator}} uses configuration {{YarnConfiguration.NM_LOG_DIRS}}, which will
be updated to not include full disks in {{LocalDirsHandlerService#checkDirs}}:
> {code}
>     Configuration conf = getConfig();
>     List<String> localDirs = getLocalDirs();
>     conf.setStrings(YarnConfiguration.NM_LOCAL_DIRS,
>                     localDirs.toArray(new String[localDirs.size()]));
>     List<String> logDirs = getLogDirs();
>     conf.setStrings(YarnConfiguration.NM_LOG_DIRS,
>                       logDirs.toArray(new String[logDirs.size()]));
> {code}
> ContainerLogsUtils#getContainerLogFile is used by NMWebServices#getLogs and ContainerLogsPage.ContainersLogsBlock#render
to read the log.



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