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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 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. (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 returns true. 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 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.
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