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https://issues.apache.org/jira/browse/HDFS-10619?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhe Zhang updated HDFS-10619:
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I think this is a good improvement for 2.7.4; just committed to branch-2.7. I
ran test-patch locally and didn't find related failures.
> 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
> Fix For: 2.8.0, 2.7.4, 3.0.0-alpha2
>
> Attachments: HDFS-10619.1.patch, HDFS-10619.patch
>
>
> INodesInPath#getPath, a frequently called method, dynamically builds the
> path. IIP should cache the path upon construction.
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