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https://issues.apache.org/jira/browse/HBASE-2697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12881790#action_12881790
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stack commented on HBASE-2697:
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.bq 4. Move META editing into RS handlers
So, now RS does all editing of .META.? This is so RS doesn't have to report
back to the master and then have master do the update? What are the thoughts
regards metascanner? When it finds something unassigned, what happens now? It
adds something to unassigned in zk?
> Implement new open/close logic in handlers and stop using heartbeats for
> open/close messages
> --------------------------------------------------------------------------------------------
>
> Key: HBASE-2697
> URL: https://issues.apache.org/jira/browse/HBASE-2697
> Project: HBase
> Issue Type: Sub-task
> Components: ipc, master, regionserver
> Reporter: Jonathan Gray
> Priority: Critical
> Fix For: 0.21.0
>
>
> This issue is doing the meat of what HBASE-2485 is about and continues what
> was started in HBASE-2694 after some code cleanup to make life easier.
> This deals with no longer piggybacking messages from Master to RegionServers
> on heartbeat responses and instead sending direct unsolicited messages. This
> also deals with moving the open/close logic fully into handlers and removing
> the existing open/close code on both the RS and M sides. There may also be
> some changes to the master in-memory state of regions in transition. The new
> load balancer will probably be introduced with this issue but not fully
> integrated yet.
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