Anoop Sam John created HBASE-24208:
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Summary: Remove RS entry from zk draining servers node while RS
getting stopped
Key: HBASE-24208
URL: https://issues.apache.org/jira/browse/HBASE-24208
Project: HBase
Issue Type: Improvement
Reporter: Anoop Sam John
Assignee: Anoop Sam John
When a RS is been decommissioned, we will add an entry into the zk node. This
will be there unless the same RS instance is recommissioned.
But if we want to scale down a cluster, the best path would be to decommission
the RSs in the scaling down nodes. The regions in these RSs will get moved to
live RSs. In this case these decommissioned RSs will get stopped later. These
will never get recommissioned. The zk nodes will still be there under draining
servers path.
We can remove this zk node when the RS is getting stopped.
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