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https://issues.apache.org/jira/browse/FLINK-5958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15894152#comment-15894152
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ASF GitHub Bot commented on FLINK-5958:
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Github user StefanRRichter commented on the issue:
https://github.com/apache/flink/pull/3466
CC @StephanEwen @aljoscha
> Asynchronous snapshots for heap-based keyed state backends
> ----------------------------------------------------------
>
> Key: FLINK-5958
> URL: https://issues.apache.org/jira/browse/FLINK-5958
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Affects Versions: 1.3.0
> Reporter: Stefan Richter
> Assignee: Stefan Richter
>
> The synchronous checkpointing mechanism of all heap-based keyed state
> backends is often painful for users because it stops processing for the
> duration of the checkpoint.
> We could implement an option for heap-based keyed state backends that allows
> for asynchronous checkpoints, using copy-on-write.
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