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https://issues.apache.org/jira/browse/HDFS-14908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16954817#comment-16954817
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Íñigo Goiri commented on HDFS-14908:
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Thanks [~LiJinglun] for checking, I think we can live with case 1 being a
little worse.
We should optimize case 4 though.
> LeaseManager should check parent-child relationship when filter open files.
> ---------------------------------------------------------------------------
>
> Key: HDFS-14908
> URL: https://issues.apache.org/jira/browse/HDFS-14908
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.1.0, 3.0.1
> Reporter: Jinglun
> Assignee: Jinglun
> Priority: Minor
> Attachments: HDFS-14908.001.patch, HDFS-14908.002.patch, Test.java
>
>
> Now when doing listOpenFiles(), LeaseManager only checks whether the filter
> path is the prefix of the open files. We should check whether the filter path
> is the parent/ancestor of the open files.
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