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From "Jiang Yan Xu (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (MESOS-496) Refactor the MasterDetector (with 'bool contend' option) into new MasterDetector and MasterContender.
Date Wed, 05 Jun 2013 23:09:20 GMT

     [ https://issues.apache.org/jira/browse/MESOS-496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jiang Yan Xu reassigned MESOS-496:
----------------------------------

    Assignee: Jiang Yan Xu
    
> Refactor the MasterDetector (with 'bool contend' option) into new MasterDetector and
MasterContender.
> -----------------------------------------------------------------------------------------------------
>
>                 Key: MESOS-496
>                 URL: https://issues.apache.org/jira/browse/MESOS-496
>             Project: Mesos
>          Issue Type: Improvement
>          Components: general
>    Affects Versions: 0.14.0
>            Reporter: Jiang Yan Xu
>            Assignee: Jiang Yan Xu
>
> The MasterDetector code still uses old Zookeeper abstractions and it's error-prone for
maintenance and further development. 
> There exists newer and higher-level zookeeper group management abstractions such as zookeeper::Group.
After this refactoring Mesos master detecting and contending logic should reside in separate
classes which depend on general Zookeeper group leader detection and contention abstractions
with Future-pattern APIs. Masters should then use the MasterContender while Slaves and Schedulers
should use the MasterDetector.

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