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https://issues.apache.org/jira/browse/HDDS-8931?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Doroszlai updated HDDS-8931:
-----------------------------------
Fix Version/s: 1.4.0
Resolution: Implemented
Status: Resolved (was: Patch Available)
> 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
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.4.0
>
>
> 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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