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https://issues.apache.org/jira/browse/HDFS-14908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16981409#comment-16981409
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Jinglun edited comment on HDFS-14908 at 11/25/19 9:27 AM:
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Hi [~elgoiri] [~weichiu], based on the result DFSUtil.isParent() is much
faster. I think might be we can continue using the DFSUtil way, what do you
think ?
v05 is not sync with trunk, so if we both agree with DFSUtil way I'll rebase
v05 and prepare a new patch.
was (Author: lijinglun):
Hi [~elgoiri] [~weichiu], based on the result DFSUtil.isParent() is much
faster. I think might be we can continue using the DFSUtil way ?
v05 is not sync with trunk, so if we both agree with DFSUtil way I'll rebase
v05 and prepare a new patch.
> 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,
> HDFS-14908.003.patch, HDFS-14908.004.patch, HDFS-14908.005.patch,
> HDFS-14908.TestV4.patch, Test.java, TestV2.java, TestV3.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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