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https://issues.apache.org/jira/browse/HADOOP-16307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Mollitor updated HADOOP-16307:
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Status: Patch Available (was: Open)
> 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: 3.3.0
>
> Attachments: HADOOP-16307.1.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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