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https://issues.apache.org/jira/browse/HBASE-1406?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Hofhansl resolved HBASE-1406.
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Resolution: Won't Fix
Doesn't look like this is going to happen.
> Refactor HRS
> ------------
>
> Key: HBASE-1406
> URL: https://issues.apache.org/jira/browse/HBASE-1406
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Affects Versions: 0.20.0
> Reporter: Nitay Joffe
>
> The current HRS implementation is a mess, especially after ZooKeeper
> additions to handle Session Expired events. See HBASE-1311.
> It contains logic to restart itself which caused a lot of fields to be
> non-final that can be. It should be split out to two separate class, one that
> runs HRS duties and one that watches over the first in a join/restart loop.
> Using this means a special event like a ZooKeeper Session Expired wouldn't
> require special restart code, just an abort. The new wrapper class will
> handle restarting.
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