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https://issues.apache.org/jira/browse/FLINK-5670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15843017#comment-15843017
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ASF GitHub Bot commented on FLINK-5670:
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Github user StefanRRichter commented on the issue:
https://github.com/apache/flink/pull/3225
+1 LGTM
> Local RocksDB directories not cleaned up
> ----------------------------------------
>
> Key: FLINK-5670
> URL: https://issues.apache.org/jira/browse/FLINK-5670
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Reporter: Ufuk Celebi
> Assignee: Aljoscha Krettek
> Priority: Minor
>
> After cancelling a job with a RocksDB backend all files are properly cleaned
> up, but the parent directories still exist and are empty:
> {code}
> 859546fec3dac36bb9fcc8cbdd4e291e
> +- StreamFlatMap_3_0
> +- StreamFlatMap_3_3
> +- StreamFlatMap_3_4
> +- StreamFlatMap_3_5
> +- StreamFlatMap_3_6
> {code}
> The number of empty folders varies between runs.
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