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Posted to issues@flink.apache.org by "Till Rohrmann (JIRA)" <ji...@apache.org> on 2016/08/22 15:00:24 UTC

[jira] [Resolved] (FLINK-4400) Leadership Election among JobManagers

     [ https://issues.apache.org/jira/browse/FLINK-4400?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Rohrmann resolved FLINK-4400.
----------------------------------
    Resolution: Fixed

Added via e4f5aec22a1d86ac3667e3d79ccd9f91e934086a

> Leadership Election among JobManagers
> -------------------------------------
>
>                 Key: FLINK-4400
>                 URL: https://issues.apache.org/jira/browse/FLINK-4400
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Cluster Management
>            Reporter: Xiaogang Shi
>            Assignee: Xiaogang Shi
>
> * All JobMasters are LeaderContenders
> * Once a JobMaster is initialized, the very first thing it has to do is to start the leadership election service and contend for the leadership.
> * A JobMaster starts to perform its functionality when it grants the leadership.
> * If a JobMaster’s leadership is revoked, it will cancel all performed execution and release all acquired resources.



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