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https://issues.apache.org/jira/browse/FLINK-7619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16179199#comment-16179199
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ASF GitHub Bot commented on FLINK-7619:
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Github user StefanRRichter commented on the issue:
https://github.com/apache/flink/pull/4671
Merged in 5af463a9c0.
> Improve abstraction in AbstractAsyncIOCallable to better fit
> ------------------------------------------------------------
>
> Key: FLINK-7619
> URL: https://issues.apache.org/jira/browse/FLINK-7619
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Reporter: Stefan Richter
> Assignee: Stefan Richter
> Priority: Minor
>
> The abstraction of AbstractAsyncIOCallable does not fit to well with todays
> needs in checkpointing backends. Originally, backends were assumed to only
> open one stream that is managed by the abstraction. In fact, concrete
> implementations always extended that in practise. We can redo this in a way
> that more resources can be managed by the abstraction.
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