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https://issues.apache.org/jira/browse/FLINK-10346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16679274#comment-16679274
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Congxian Qiu edited comment on FLINK-10346 at 11/8/18 3:46 AM:
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It sounds good that if these subdirectories in HA directory will be deleted
after job finished/canceled. I'm interested about this.
I just found that if we did not enable checkpoint, the
`MemoryBackendCheckpointStorage` will create the subdirectories in HA directory
also, I just filed a issue about this FLINK-10794
was (Author: klion26):
It sounds good that if these subdirectories in HA directory will be deleted
after job finished/canceled. I'm interested about this.
I just found that if we did not enable checkpoint, the
`MemoryBackendCheckpointStorage` will create the subdirectories in HA directory
also, I just filed a issue about this
FLINK-10794(https://issues.apache.org/jira/browse/FLINK-10794)
> 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
>
>
> 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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