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https://issues.apache.org/jira/browse/HDFS-10619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15375559#comment-15375559
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Zhe Zhang commented on HDFS-10619:
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This looks a good fix. Thanks Daryn.
If an iip is created but {{getPath}} is never called, we are increasing the
memory usage by 1 {{String}}. But I think this is pretty rare so overall the
fix is an improvement.
Thoughts from others? I'll hold off a +1 till the end of today (because of the
above tradeoff).
> Cache path in InodesInPath
> --------------------------
>
> Key: HDFS-10619
> URL: https://issues.apache.org/jira/browse/HDFS-10619
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Attachments: HDFS-10619.patch
>
>
> INodesInPath#getPath, a frequently called method, dynamically builds the
> path. IIP should cache the path upon construction.
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