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https://issues.apache.org/jira/browse/FLINK-7587?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16209009#comment-16209009
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Till Rohrmann commented on FLINK-7587:
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Yes indeed.
> Flink doesn't delete empty checkpoint file's dir from s3
> ---------------------------------------------------------
>
> Key: FLINK-7587
> URL: https://issues.apache.org/jira/browse/FLINK-7587
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Affects Versions: 1.3.2
> Reporter: Bowen Li
> Assignee: Bowen Li
> Priority: Blocker
> Fix For: 1.4.0
>
>
> We observed that, when deleting old checkpoint files, Flink failed to delete
> the dir of those checkpoint files. As a result, in our s3, we saw a bunch of
> the dirs with no files inside it:
> {code:java}
> - chk-100
> - chk-101
> - chk-102
> ...
> {code}
> I would expect that Flink should also delete the checkpoint file's dir while
> deleting the actual checkpoint files.
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