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https://issues.apache.org/jira/browse/HDDS-7402?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uma Maheswara Rao G resolved HDDS-7402.
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Fix Version/s: 1.4.0
Target Version/s: 1.4.0
Resolution: Fixed
> Adapt CommandQueue to track the count of each queued command type
> -----------------------------------------------------------------
>
> Key: HDDS-7402
> URL: https://issues.apache.org/jira/browse/HDDS-7402
> Project: Apache Ozone
> Issue Type: Improvement
> Components: SCM
> Reporter: Stephen O'Donnell
> Assignee: Stephen O'Donnell
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.4.0
>
>
> Currently, all commands queued for a datanode are stored in an ArrayList,
> which is sent to the DN on each heartbeat.
> In order to limit the number of commands queued on a DN at any time, it would
> be useful to be able to query the current queued count of each command type,
> allowing Replication Manager, for example, to stop sending more work to the
> DN until it has free capacity.
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