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https://issues.apache.org/jira/browse/HDDS-8334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephen O'Donnell updated HDDS-8334:
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Status: Patch Available (was: In Progress)
> ReplicationManager: Add nodes to exclude list if they are overloaded
> --------------------------------------------------------------------
>
> Key: HDDS-8334
> URL: https://issues.apache.org/jira/browse/HDDS-8334
> Project: Apache Ozone
> Issue Type: Sub-task
> Components: SCM
> Reporter: Stephen O'Donnell
> Assignee: Stephen O'Donnell
> Priority: Major
> Labels: pull-request-available
>
> When sending throttled replication / reconstruction commands, we know if the
> target node is at the replication task limit. If it is, we should add it to
> an exclude list in replicationManager.
> When the DN heartbeats, it triggers a callback to RM, which lets it check if
> the node should be removed from the exclude list.
> The exclude list can then be fed into the node selection for reconstruction
> tasks, so it can avoid picking nodes which are already overloaded as targets,
> but that will be another Jira.
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