sodonnel opened a new pull request, #4983:
URL: https://github.com/apache/ozone/pull/4983
## What changes were proposed in this pull request?
A 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:
```
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;
}
...
```
To allow for flexibility, add a new config for the ECPipelineChoosingPolicy
so it can be different from the Ratis policy.
## What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-8931
## How was this patch tested?
Modified and added to the tests in the PipelinePolicyFactory.
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