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[jira] [Created] (FLINK-10346) MemoryStateBackend does not clean up checkpoint directory


Till Rohrmann created FLINK-10346:
-------------------------------------

             Summary: MemoryStateBackend does not clean up checkpoint directory
                 Key: FLINK-10346
                 URL: https://issues.apache.org/jira/browse/FLINK-10346
             Project: Flink
          Issue Type: Bug
          Components: State Backends, Checkpointing
    Affects Versions: 1.6.0, 1.5.3, 1.7.0
            Reporter: Till Rohrmann
             Fix For: 1.7.0


The {{StateBackendLoader}} creates a random subdirectory under {{HighAvailabilityOptions.HA_STORAGE_PATH}} for the {{MemoryStateBackend}} if no checkpointing directory has been specified (see {{StateBackendLoader.java:246}}). The problem is that this directory gets never removed after the {{MemoryStateBackend}} is closed. It is important to clean up these created directories.



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