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https://issues.apache.org/jira/browse/HDFS-15313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephen O'Donnell reopened HDFS-15313:
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Reopening to see if we can trigger jenkins on the 3.1 and 2.10 patches.

> Ensure inodes in active filesytem are not deleted during snapshot delete
> ------------------------------------------------------------------------
>
>                 Key: HDFS-15313
>                 URL: https://issues.apache.org/jira/browse/HDFS-15313
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: snapshots
>            Reporter: Shashikant Banerjee
>            Assignee: Shashikant Banerjee
>            Priority: Major
>             Fix For: 3.2.2, 3.3.1, 3.4.0
>
>         Attachments: HDFS-15313.000.patch, HDFS-15313.001.patch, 
> HDFS-15313.branch-2.8.patch, HDFS-15313.branch-3.1.patch
>
>
> After HDFS-13101, it was observed in one of our customer deployments that 
> delete snapshot ends up cleaning up inodes from active fs which can be 
> referred from only one snapshot as the isLastReference() check for the parent 
> dir introduced in HDFS-13101 may return true in certain cases. The aim of 
> this Jira to add a check to ensure if the Inodes are being referred in the 
> active fs , should not get deleted while deletion of snapshot happens.



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