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Posted to issues@ozone.apache.org by "Prashant Pogde (Jira)" <ji...@apache.org> on 2023/04/06 23:14:00 UTC

[jira] [Assigned] (HDDS-8390) Synchronization between Snapshot Deletes/GC and other Snapshot jobs (read/diff)

     [ https://issues.apache.org/jira/browse/HDDS-8390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Prashant Pogde reassigned HDDS-8390:
------------------------------------

    Assignee: Siyao Meng

> Synchronization between Snapshot Deletes/GC and other Snapshot jobs (read/diff)
> -------------------------------------------------------------------------------
>
>                 Key: HDDS-8390
>                 URL: https://issues.apache.org/jira/browse/HDDS-8390
>             Project: Apache Ozone
>          Issue Type: Sub-task
>          Components: Snapshot
>            Reporter: Prashant Pogde
>            Assignee: Siyao Meng
>            Priority: Major
>
> We need to have proper synchronization between Snapshot delete/GC and other Snapshot jobs e.g. reads from Snapshots and Snapdiff.  Snapdiff is particularly important case since it could be a long running job and in the middle of the job, Snapshot delete/GC can kick in. 
> We should also have a uniform behavior in the cluster in case of a failover and concurrent Snap-diff/Deletes. It should not happen that a leader OM node returns certain result to a client but after a failover the new OM leader returns different result.



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