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https://issues.apache.org/jira/browse/HDDS-17601?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-17601:
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Labels: pull-request-available (was: )
> SCM NodeDecommissionManager does not honor dynamically reconfigured
> maintenance thresholds
> ------------------------------------------------------------------------------------------
>
> Key: HDDS-17601
> URL: https://issues.apache.org/jira/browse/HDDS-17601
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Sadanand Shenoy
> Assignee: Sadanand Shenoy
> Priority: Major
> Labels: pull-request-available
>
> The following SCM properties are marked as dynamically reconfigurable:
> * {{hdds.scm.replication.maintenance.replica.minimum}}
> * {{hdds.scm.replication.maintenance.remaining.redundancy}}
> However, {{NodeDecommissionManager}} copies their values during
> initialization and continues using the cached values when validating
> maintenance requests. After reconfiguration, {{ReplicationManager}} uses the
> new values while {{NodeDecommissionManager}} uses the old ones.
> This can incorrectly allow or reject datanodes entering maintenance.
> Update {{NodeDecommissionManager}} to read the shared
> {{ReplicationManagerConfiguration}} dynamically, or refresh its cached values
> after reconfiguration. Add Ratis and EC tests verifying that maintenance
> admission immediately honors updated values.
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