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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HBASE-14351) Procedure V2 Phase 3: Notification Bus
Date Tue, 22 Aug 2017 06:06:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16136358#comment-16136358
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stack edited comment on HBASE-14351 at 8/22/17 6:05 AM:
--------------------------------------------------------

[~mdrob] This is not going to make 2.0.0. Will have to be later. Notification Bus will allow
us an alternative to message-passing via ZK.  It is incomplete. We'll have to do w/ current
mechanisms in meantime (of which we have a few -- smile).


was (Author: stack):
[~mdrob] This is not going to make 2.0.0. Will have to be later. Notification Bus will allow
us an alternative to message-passing via ZK.

> 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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