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

["Till Rohrmann (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-10346?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Rohrmann updated FLINK-10346:
----------------------------------
    Fix Version/s: 1.8.0

> 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: 1.5.3, 1.6.0, 1.7.0
>            Reporter: Till Rohrmann
>            Priority: Major
>             Fix For: 1.7.0, 1.8.0
>
>
> 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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