[jira] [Created] (FLINK-6049) Parallelize execution of (async) snapshots in AsyncCheckpointRunnable

[Shang Yuanchun (Jira)]

Stefan Richter created FLINK-6049:
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             Summary: Parallelize execution of (async) snapshots in AsyncCheckpointRunnable
                 Key: FLINK-6049
                 URL: https://issues.apache.org/jira/browse/FLINK-6049
             Project: Flink
          Issue Type: Improvement
          Components: State Backends, Checkpointing
    Affects Versions: 1.3.0
            Reporter: Stefan Richter
             Fix For: 1.3.0


After the changes from [FLINK-6048], it would make sense to parallelize the execution of the `RunnableFuture`s of (async) snapshot in `AsyncCheckpointRunnable`. Currently, `AsyncCheckpointRunnable` is a thread that runs parallel, but executes each snapshot sequentially. The reason is, that previously only keyed state backends had support for async snapshots.



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