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https://issues.apache.org/jira/browse/HDDS-13847?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-13847:
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Labels: pull-request-available (was: )
> Introduce Snapshot Content Lock to lock table contents
> ------------------------------------------------------
>
> Key: HDDS-13847
> URL: https://issues.apache.org/jira/browse/HDDS-13847
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Swaminathan Balachandran
> Assignee: Swaminathan Balachandran
> Priority: Major
> Labels: pull-request-available
>
> Introduce Snapshot Content Lock to prevent writes on a snapshot during
> snapshot defrag. Even though GC lock would be acquired during defrag on
> leader the contents in the snapshot is only guaranteed to be same for leader
> however defrag on follower can happen at any time, thus a lock should be
> acquired while the defrag to prevent the contents from changing in the
> snapshot which would mainly happen in 3 transactions during OM double buffer
> flush on followers i.e.
> OMSnapshotMoveTableKeysResponse, OMKeyPurgeResponse,
> OMDirectoriesPurgeResponseWithFSO.
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