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From "HBase Review Board (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2697) Implement new open/close logic in handlers and stop using heartbeats for open/close messages
Date Thu, 05 Aug 2010 03:48:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12895535#action_12895535
] 

HBase Review Board commented on HBASE-2697:
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Message from: stack@duboce.net

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I sat w/ Jon today.  We went over it.  Loads of issues still but its overwhelmed by mountains
of improvements.  I'm good w/ committing this massive patch on branch.

- stack





> 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
>            Assignee: Jonathan Gray
>            Priority: Critical
>             Fix For: 0.90.0
>
>
> 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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