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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 updated HDFS-15313:
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Resolution: Fixed
Status: Resolved (was: Patch Available)
> Ensure inodes in active filesystem 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, 2.10.1, 3.3.1, 3.4.0, 3.1.5
>
> Attachments: HDFS-15313-branch-3.1.001.patch, HDFS-15313.000.patch,
> HDFS-15313.001.patch, HDFS-15313.branch-2.10.001.patch,
> HDFS-15313.branch-2.10.patch, HDFS-15313.branch-2.8.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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