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https://issues.apache.org/jira/browse/HDFS-7456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14252694#comment-14252694
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Chris Nauroth commented on HDFS-7456:
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Hi [~vinayrpet]. The latest version is looking pretty good, though now it
needs a rebase. Is {{ReferenceCountMap#getEntries}} unused? If so, can we
please remove it?
> De-duplicate AclFeature instances with same AclEntries do reduce memory
> footprint of NameNode
> ---------------------------------------------------------------------------------------------
>
> Key: HDFS-7456
> URL: https://issues.apache.org/jira/browse/HDFS-7456
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: Vinayakumar B
> Assignee: Vinayakumar B
> Attachments: HDFS-7456-001.patch, HDFS-7456-002.patch,
> HDFS-7456-003.patch, HDFS-7456-004.patch, HDFS-7456-005.patch
>
>
> As discussed in HDFS-7454
> [here|https://issues.apache.org/jira/browse/HDFS-7454?focusedCommentId=14229454&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14229454],
> de-duplication of {{AclFeature}} helps in reducing the memory footprint of
> the namenode.
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