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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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Shashikant Banerjee updated HDFS-15313:
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Description: 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.
(was: After HDFS-13101, it was observed that delete snapshot end 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.)
> 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: 3.4.0
>
> Attachments: HDFS-15313.000.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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