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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-4322) Unify CheckpointCoordinator and SavepointCoordinator
Date Thu, 18 Aug 2016 10:13:20 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15426212#comment-15426212
] 

ASF GitHub Bot commented on FLINK-4322:
---------------------------------------

Github user StephanEwen commented on the issue:

    https://github.com/apache/flink/pull/2366
  
    You are right, this was an oversight on my side. This check should also be within the
`if (!isSavepoint())` block. Thanks for reviewing this.
    
    Do you want to create a fix for that?


> Unify CheckpointCoordinator and SavepointCoordinator
> ----------------------------------------------------
>
>                 Key: FLINK-4322
>                 URL: https://issues.apache.org/jira/browse/FLINK-4322
>             Project: Flink
>          Issue Type: Improvement
>          Components: State Backends, Checkpointing
>    Affects Versions: 1.1.0
>            Reporter: Stephan Ewen
>            Assignee: Stephan Ewen
>             Fix For: 1.2.0
>
>
> The Checkpoint coordinator should have the functionality of both handling checkpoints
and savepoints.
> The difference between checkpoints and savepoints is minimal:
>   - savepoints always write the root metadata of the checkpoint
>   - savepoints are always full (never incremental)
> The commonalities are large
>   - jobs should be able to resume from checkpoint or savepoints
>   - jobs should fall back to the latest checkpoint or savepoint
> This subsumes issue https://issues.apache.org/jira/browse/FLINK-3397



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