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Posted to issues@flink.apache.org by "Till Rohrmann (JIRA)" <ji...@apache.org> on 2016/11/17 00:25:58 UTC

[jira] [Created] (FLINK-5085) Execute CheckpointCoodinator's state discard calls asynchronously

Till Rohrmann created FLINK-5085:
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             Summary: Execute CheckpointCoodinator's state discard calls asynchronously
                 Key: FLINK-5085
                 URL: https://issues.apache.org/jira/browse/FLINK-5085
             Project: Flink
          Issue Type: Bug
          Components: State Backends, Checkpointing
    Affects Versions: 1.1.3, 1.2.0
            Reporter: Till Rohrmann
            Assignee: Till Rohrmann
             Fix For: 1.2.0, 1.1.4


The {{CheckpointCoordinator}} discards under certain circumstances pending checkpoints or state handles. These discard operations can involve a blocking IO operation if the underlying state handle refers to a file which has to be deleted. In order to not block the calling thread, we should execute these calls in a dedicated IO executor.



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