Stephen O'Donnell created HDDS-8110:
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Summary: ReplicationManager: Introduce basic limits on
ReplicateContainer commands
Key: HDDS-8110
URL: https://issues.apache.org/jira/browse/HDDS-8110
Project: Apache Ozone
Issue Type: Sub-task
Components: SCM
Reporter: Stephen O'Donnell
Assignee: Stephen O'Donnell
Create a configuration on Replication Manager that sets the limit of inflight
replicate container commands to 20. The intention is to revisit this limit
later to make it more dynamic, but this is a starting point.
Then create a method on ReplicationManager
createThrottledReplicateContainerCommand, which create the
replicateContainerCommands and take into consideration the pending commands on
the target datanode. If not targets for the command have capacity, it will
throw an exception.
Adjust the various places in ReplicationManager which send the
replicateContainer commands to use the new method.
Additionally switch the default replication mode to Push (rather than download)
and ensure the LegacyReplicationManager continues to use download as before.
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