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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 Wed, 09 Jun 2010 00:16:12 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.patch

Adding the patch for this... not verified that the merge with the latest code is correct from
my private branch.

In my branch (staler version of code), the unit tests are passing and the cluster load and
verify test is passing.

> 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.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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