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From "Karthik Ranganathan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-2694) Move RS to Master region open/close messaging into ZooKeeper
Date Fri, 11 Jun 2010 23:17:14 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Karthik Ranganathan updated HBASE-2694:

    Attachment: HBASE-2694-OPENSOURCE-TRUNK-zk-based-messaging-v2.patch

Second pass at the patch. Incorporates changes from in-person review with Todd and Stack.
Unit tests pass.

> Move RS to Master region open/close messaging into ZooKeeper
> ------------------------------------------------------------
>                 Key: HBASE-2694
>                 URL: https://issues.apache.org/jira/browse/HBASE-2694
>             Project: HBase
>          Issue Type: Sub-task
>          Components: master, regionserver
>            Reporter: Jonathan Gray
>            Priority: Critical
>             Fix For: 0.21.0
>         Attachments: HBASE-2694-OPENSOURCE-TRUNK-zk-based-messaging-v2.patch, HBASE-2694-OPENSOURCE-TRUNK-zk-based-messaging.patch
> As a first step towards HBASE-2485, this issue is about changing the message flow of
opening and closing of regions without actually changing the implementation of what happens
on both the Master and RegionServer sides.  This way we can debug the messaging changes before
the introduction of more significant changes to the master architecture and handling of regions
in transition.

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