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Posted to common-issues@hadoop.apache.org by "David Mollitor (JIRA)" <ji...@apache.org> on 2019/05/10 19:02:00 UTC
[jira] [Updated] (HADOOP-16307) Intern User Name and Group Name in
FileStatus
[ https://issues.apache.org/jira/browse/HADOOP-16307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Mollitor updated HADOOP-16307:
------------------------------------
Attachment: HADOOP-16307.1.patch
> 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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