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https://issues.apache.org/jira/browse/HDFS-13901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16945326#comment-16945326
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Jinglun commented on HDFS-13901:
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Hi [~weichiu], could you help to review v07 please ? Thanks !
> INode access time is ignored because of race between open and rename
> --------------------------------------------------------------------
>
> Key: HDFS-13901
> URL: https://issues.apache.org/jira/browse/HDFS-13901
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Jinglun
> Assignee: Jinglun
> Priority: Major
> Attachments: HDFS-13901.000.patch, HDFS-13901.001.patch,
> HDFS-13901.002.patch, HDFS-13901.003.patch, HDFS-13901.004.patch,
> HDFS-13901.005.patch, HDFS-13901.006.patch, HDFS-13901.007.patch
>
>
> That's because in getBlockLocations there is a gap between readUnlock and
> re-fetch write lock (to update access time). If a rename operation occurs in
> the gap, the update of access time will be ignored. We can calculate new path
> from the inode and use the new path to update access time.
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