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https://issues.apache.org/jira/browse/HDDS-9176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Siyao Meng resolved HDDS-9176.
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Resolution: Done
> two client parallel perform commit with Hsync can cause dataloss
> ----------------------------------------------------------------
>
> Key: HDDS-9176
> URL: https://issues.apache.org/jira/browse/HDDS-9176
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Sumit Agrawal
> Assignee: Siyao Meng
> Priority: Major
>
> 2 client performs commit with hsync feature,
> * client 1 perform commit with Hsync with x block, key will be added in
> keyTable
> * client 2 perform commit with Hsync with y block,
> ** will overwrite previous key,
> ** quota can be issue as previous key of client 1 is used to identify space
> usages delta
> * client 1 perform final commit, will be treated as overwrite and remove
> blocks of client 2 data
> * client 2 perform final commit, this will overwrite and remove blocks of
> client 1 data
> So in above flow, it can cause dataloss and quota will be not be counted
> properly for space usages.
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