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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ASTERIXDB-2207) Coordination Service API
Date Thu, 21 Dec 2017 20:17:03 GMT

    [ https://issues.apache.org/jira/browse/ASTERIXDB-2207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16300521#comment-16300521
] 

ASF subversion and git services commented on ASTERIXDB-2207:
------------------------------------------------------------

Commit d90723359740d71df4a4d671d311716dac5495cb in asterixdb's branch refs/heads/master from
[~mhubail]
[ https://git-wip-us.apache.org/repos/asf?p=asterixdb.git;h=d907233 ]

[ASTERIXDB-2207][CLUS] Introduce Coordination Service API

- user model changes: no
- storage format changes: no
- interface changes: yes
  - Add ICoordinationService to CC and NC
    application context.

Details:
- Add API to support coordination service.
- An initial no-op implementation of coordination
  service.

Change-Id: I8670e3498a141029d21826a2908033510c749838
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2244
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Michael Blow <mblow@apache.org>


> Coordination Service API
> ------------------------
>
>                 Key: ASTERIXDB-2207
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-2207
>             Project: Apache AsterixDB
>          Issue Type: Improvement
>          Components: CLUS - Cluster management
>            Reporter: Murtadha Hubail
>            Assignee: Murtadha Hubail
>
> Currently we use CC as our cluster coordinator. However, if we lose the CC node, all
information about the cluster is lost. To overcome this, distributed applications typically
have a distributed coordination service (i.e ZooKeeper) that can store and persist metadata
about the cluster. We need to introduce coordination service API to allow for such extension
to the system.



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