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https://issues.apache.org/jira/browse/YARN-9814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16932025#comment-16932025
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Hudson commented on YARN-9814:
------------------------------
FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #17321 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/17321/])
YARN-9814. JobHistoryServer can't delete aggregated files, if remote app
(sunilg: rev 01d79244732c7f60dff3cd7181647c0460955491)
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/logaggregation/filecontroller/LogAggregationFileController.java
* (add)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/logaggregation/filecontroller/TestLogAggregationFileController.java
> JobHistoryServer can't delete aggregated files, if remote app root directory
> is created by NodeManager
> ------------------------------------------------------------------------------------------------------
>
> Key: YARN-9814
> URL: https://issues.apache.org/jira/browse/YARN-9814
> Project: Hadoop YARN
> Issue Type: Bug
> Components: log-aggregation, yarn
> Affects Versions: 3.1.2
> Reporter: Adam Antal
> Assignee: Adam Antal
> Priority: Minor
> Attachments: YARN-9814.001.patch, YARN-9814.002.patch,
> YARN-9814.003.patch, YARN-9814.004.patch, YARN-9814.005.patch
>
>
> If remote-app-log-dir is not created before starting Yarn processes, the
> NodeManager creates it during the init of AppLogAggregator service. In a
> custom system the primary group of the yarn user (which starts the NM/RM
> daemons) is not hadoop, but set to a more restricted group (say yarn). If
> NodeManager creates the folder it derives the group of the folder from the
> primary group of the login user (which is yarn:yarn in this case), thus
> setting the root log folder and all its subfolders to yarn group, ultimately
> making it unaccessible to other processes - e.g. the JobHistoryServer's
> AggregatedLogDeletionService.
> I suggest to make this group configurable. If this new configuration is not
> set then we can still stick to the existing behaviour.
> Creating the root app-log-dir each time during the setup of this system is a
> bit error prone, and an end user can easily forget it. I think the best to
> put this step is the LogAggregationService, which was responsible for
> creating the folder already.
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