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From "Stephen Yuan Jiang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-14351) Procedure V2 Phase 3: Notification Bus
Date Tue, 01 Sep 2015 06:18:46 GMT
Stephen Yuan Jiang created HBASE-14351:
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             Summary: Procedure V2 Phase 3: Notification Bus
                 Key: HBASE-14351
                 URL: https://issues.apache.org/jira/browse/HBASE-14351
             Project: HBase
          Issue Type: Task
            Reporter: Stephen Yuan Jiang
            Assignee: Matteo Bertozzi


This is the third phase of Procedure V2 (HBASE-12439) feature. Built on top of state­ machine
from Phase 1 (HBASE-14336), the notification bus is just
an exchange of messages between the multiple machines (e.g. master and region­servers). 
The notification ­bus allows master to send notifications/procedures to the Region Servers.
Two examples are snapshot for OnePhaseProcedure and ACL update for TwoPhaseProcedure (check
HBASE-12439 for high-level design).




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