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https://issues.apache.org/jira/browse/HDFS-8856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14658770#comment-14658770
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Xiaoyu Yao commented on HDFS-8856:
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Patch v2 looks good to me. +1
One nit: you can use a timeout rule that applies to all cases instead of adding
them individually.
{code}
@Rule
publicTimeout timeout=new Timeout(300000);
{code}
> Make LeaseManager#countPath O(1)
> --------------------------------
>
> Key: HDFS-8856
> URL: https://issues.apache.org/jira/browse/HDFS-8856
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.7.2
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Attachments: HDFS-8856.01.patch, HDFS-8856.02.patch
>
>
> {{LeaseManager#countPath}} loops over all existing lease holders to compute
> the pending lease count. We can just track the pending leased files so it
> runs in constant time.
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