Stephen O'Donnell created HDDS-8334:
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Summary: 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
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.
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