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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HBASE-2697) Implement new open/close logic in handlers and stop using heartbeats for open/close messages
Date Wed, 01 Sep 2010 05:05:53 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack resolved HBASE-2697.
--------------------------

    Hadoop Flags: [Reviewed]
      Resolution: Fixed

Committed as part of HBASE-2692. The new test src/test/java/org/apache/hadoop/hbase/master/TestZKBasedOpenCloseRegion.java
exercises this new method of open close of regions.

> 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
>
>         Attachments: HBASE-2697-part1-v10.patch
>
>
> 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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