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https://issues.apache.org/jira/browse/FLINK-17571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17104136#comment-17104136
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Piotr Nowojski edited comment on FLINK-17571 at 5/11/20, 10:13 AM:
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[~klion26] I'm not familiar with when, how & who is removing those files, so
it's mostly guessing for me. Besides the scenarios that you described, could it
also affect savepoints?
was (Author: pnowojski):
[~stevenz3wu] I'm not familiar with when, how & who is removing those files, so
it's mostly guessing for me. Besides the scenarios that you described, could it
also affect savepoints?
> A better way to show the files used in currently checkpoints
> ------------------------------------------------------------
>
> Key: FLINK-17571
> URL: https://issues.apache.org/jira/browse/FLINK-17571
> Project: Flink
> Issue Type: New Feature
> Components: Runtime / Checkpointing
> Reporter: Congxian Qiu(klion26)
> Priority: Major
>
> Inspired by the
> [userMail|http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Shared-Checkpoint-Cleanup-and-S3-Lifecycle-Policy-tt34965.html]
> Currently, there are [three types of
> directory|https://ci.apache.org/projects/flink/flink-docs-release-1.10/ops/state/checkpoints.html#directory-structure]
> for a checkpoint, the files in TASKOWND and EXCLUSIVE directory can be
> deleted safely, but users can't delete the files in the SHARED directory
> safely(the files may be created a long time ago).
> I think it's better to give users a better way to know which files are
> currently used(so the others are not used)
> maybe a command-line command such as below is ok enough to support such a
> feature.
> {{./bin/flink checkpoint list $checkpointDir # list all the files used in
> checkpoint}}
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