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https://issues.apache.org/jira/browse/HDFS-4636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE resolved HDFS-4636.
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Resolution: Fixed
Fix Version/s: Snapshot (HDFS-2802)
I have committed this. Thanks, Jing!
> Update quota usage when deleting files/dirs that were created after taking
> the latest snapshot
> ----------------------------------------------------------------------------------------------
>
> Key: HDFS-4636
> URL: https://issues.apache.org/jira/browse/HDFS-4636
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Fix For: Snapshot (HDFS-2802)
>
> Attachments: HDFS-4636.001.patch
>
>
> This jira aims to fix two bugs in deleting files with snapshot:
> 1. We should update the quota usage when the file/dir to be deleted is not
> included in the latest snapshot (i.e., the to-be-deleted file/dir is recorded
> in the created list of the latest snapshot). In particular, in
> FSDirectory#removeLastINode, instead of checking if the latest snapshot is
> null to decide whether we should update the quota usage, we should use
> INode#isInLatestSnapshot(Snapshot) as the check condition.
> 2. Similarly, in FSDirectory#unprotectedDelete(...), we should update quota
> usage after calling INode#cleanSubtree, considering during cleanSubtree() we
> may delete files that were created after taking the latest snapshot.
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