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https://issues.apache.org/jira/browse/HDDS-12925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17948150#comment-17948150
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Siddhant Sangwan commented on HDDS-12925:
-----------------------------------------
Current Apache master already handles updates on chunk write, container import
and block delete. We only need to handle container deletion in this jira.
> Updating datanode used space
> ----------------------------
>
> Key: HDDS-12925
> URL: https://issues.apache.org/jira/browse/HDDS-12925
> Project: Apache Ozone
> Issue Type: Sub-task
> Components: Ozone Datanode
> Reporter: Sumit Agrawal
> Assignee: Siddhant Sangwan
> Priority: Major
>
> Till the du is not run to calculate the used space, it needs to be identified
> for reporting purposes in memory. So below events will consume ozone used
> disk space:
> * Block write by client to open containers
> * Import container to the DN
> * Delete container / delete blocks from DN
>
> Generally the timer for DU run is *1 hour* considering the time it takes to
> run, so all events in DN triggering container size increase / decrease need
> to update usages information for the volume.
>
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