[jira] [Commented] (FLINK-4510) Always create CheckpointCoordinator

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-4510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15454744#comment-15454744 ] 

ASF GitHub Bot commented on FLINK-4510:
---------------------------------------

GitHub user wuchong opened a pull request:

    https://github.com/apache/flink/pull/2453

    [FLINK-4510] [checkpoint] Always create CheckpointCoordinator

    Thanks for contributing to Apache Flink. Before you open your pull request, please take the following check list into consideration.
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    - [x] General
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    This pull request always create checkpoint coordinator even if checkpointing interval is not configured. 
    
    I use a flag to indicate disabled periodic checkpoint,  Instead of using an interval of 0. Because the interval is checked everywhere, too scared to change it... 


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/wuchong/flink FLINK-4510-checkpoint

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/2453.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #2453
    
----
commit 7ba16434e3d450e0e1e9a8176a1c575945400bcd
Author: Jark Wu <wu...@alibaba-inc.com>
Date:   2016-09-01T08:15:33Z

    [FLINK-4510] [checkpoint] Always create CheckpointCoordinator

----


> Always create CheckpointCoordinator
> -----------------------------------
>
>                 Key: FLINK-4510
>                 URL: https://issues.apache.org/jira/browse/FLINK-4510
>             Project: Flink
>          Issue Type: Sub-task
>          Components: State Backends, Checkpointing
>            Reporter: Ufuk Celebi
>            Assignee: Jark Wu
>
> The checkpoint coordinator is only created if a checkpointing interval is configured. This means that no savepoints can be triggered if there is no checkpointing interval specified.
> Instead we should always create it and allow an interval of 0 for disabled periodic checkpoints. 



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