[ 
https://issues.apache.org/jira/browse/FLINK-4322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15427931#comment-15427931
 ] 

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

Github user uce commented on the issue:

    https://github.com/apache/flink/pull/2385
  
    I will merge this and add the following test for min pause. This fails with 
the current master, but works with your PR.
    
    ```java
    /**
     * Tests that no minimum delay between savepoints is enforced.
     */
    @Test
    public void testMinDelayBetweenSavepoints() throws Exception {
        JobID jobId = new JobID();
    
        final ExecutionAttemptID attemptID1 = new ExecutionAttemptID();
        ExecutionVertex vertex1 = mockExecutionVertex(attemptID1);
    
        CheckpointCoordinator coord = new CheckpointCoordinator(
                        jobId,
                        100000,
                        200000,
                        100000000L, // very long min delay => should not affect 
savepoints
                        1,
                        42,
                        new ExecutionVertex[] { vertex1 },
                        new ExecutionVertex[] { vertex1 },
                        new ExecutionVertex[] { vertex1 },
                        cl,
                        new StandaloneCheckpointIDCounter(),
                        new StandaloneCompletedCheckpointStore(2, cl),
                        new HeapSavepointStore(),
                        new DisabledCheckpointStatsTracker());
    
        Future<String> savepoint0 = coord.triggerSavepoint(0);
        assertFalse("Did not trigger savepoint", savepoint0.isCompleted());
    
        Future<String> savepoint1 = coord.triggerSavepoint(1);
        assertFalse("Did not trigger savepoint", savepoint1.isCompleted());
    }
    ```


> 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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