[jira] [Assigned] (HBASE-26011) Introduce a new API to sync the live region server list more effectively

["Duo Zhang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-26011?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Duo Zhang reassigned HBASE-26011:
---------------------------------

    Assignee: Duo Zhang

> Introduce a new API to sync the live region server list more effectively
> ------------------------------------------------------------------------
>
>                 Key: HBASE-26011
>                 URL: https://issues.apache.org/jira/browse/HBASE-26011
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>            Priority: Major
>
> In HBASE-25976, we introduced a master based replication tracker to not depend on zk, but the problem is that we will always fetch the whole region server list, from every region server, which will become a performance issue when the cluster has lots of region servers.
> So we need to introduce a new API to sync the live region server list. As the region server list will not be changed too much, we should have a way to detect this and not pass the full list.



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