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https://issues.apache.org/jira/browse/HDDS-8303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17757104#comment-17757104
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Hemant Kumar commented on HDDS-8303:
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Sync up with [~dteng]  and not an issue anymore.

Resolving it. Please reopen if issue appears again.

> Some snapshotDiff command returns empty result when multiple snapshots diff 
> commands run concurrently
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HDDS-8303
>                 URL: https://issues.apache.org/jira/browse/HDDS-8303
>             Project: Apache Ozone
>          Issue Type: Bug
>            Reporter: Dave Teng
>            Assignee: Hemant Kumar
>            Priority: Major
>
> Some snapshotDiff command returns empty result when multiple snapshots diff 
> commands run concurrently.
> I tried to run 50 concurrent snapshotDiff command against 50 different set of 
> snapshots which were different (They all contained different key-operations 
> differences between snapshots. So these key namespaces between snapshots are 
> all different.). Only two processes returns the snapshot diff reports, the 
> other processes returned empty response. The expected result should not be 
> empty unless two snapshots contains no difference in key namespace. However 
> each snapshotDiff command I run here used different snapshots which contains 
> different keys namespace, empty response should not happen in theory.



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