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https://issues.apache.org/jira/browse/HADOOP-16307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16841395#comment-16841395
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Hudson commented on HADOOP-16307:
---------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #16560 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/16560/])
HADOOP-16307. Intern User Name and Group Name in FileStatus. (stevel: rev
2713dcf6e9ef308ffe6102532c90b27c52d27f7c)
* (edit)
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/protocolPB/PBHelper.java
> Intern User Name and Group Name in FileStatus
> ---------------------------------------------
>
> Key: HADOOP-16307
> URL: https://issues.apache.org/jira/browse/HADOOP-16307
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs
> Affects Versions: 3.3.0
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Major
> Fix For: 3.2.1, 3.1.3
>
> Attachments: HADOOP-16307.1.patch, HADOOP-16307.2.patch
>
>
> Client is going OOM with large directory listing
> {{ClientNamenodeProtocolTranslatorPB#getListing}}
> I captured a memory dump and noted that each and every {{LocatedFileStatus}}
> has its own copy of the user name and group name. It is sucking down a lot
> of memory.
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