Stephen O'Donnell created HDDS-8931:
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Summary: Allow EC PipelineChoosingPolicy to be defined separately
from Ratis
Key: HDDS-8931
URL: https://issues.apache.org/jira/browse/HDDS-8931
Project: Apache Ozone
Issue Type: Sub-task
Components: SCM
Reporter: Stephen O'Donnell
Assignee: Stephen O'Donnell
Cluster may have set the PipelineChoosingPolicy to the
HealthyPipelineChoosePolicy for Ratis, but it adds overhead and is not
necessary for EC, as the EC pipeline is always healthy:
{code}
public boolean isHealthy() {
// EC pipelines are not reported by the DN and do not have a leader. If a
// node goes stale or dead, EC pipelines will by closed like RATIS pipelines
// but at the current time there are not other health metrics for EC.
if (replicationConfig.getReplicationType() == ReplicationType.EC) {
return true;
}
...
{code}
To allow for flexibility, add a new config for the ECPipelineChoosingPolicy so
it can be different from the Ratis policy.
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