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https://issues.apache.org/jira/browse/FLINK-5241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17466019#comment-17466019
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Yuan Mei commented on FLINK-5241:
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[~pnowojski] [~dwysakowicz] [~akalashnikov]
Could you verify whether this ticket is still valid?
> Introduce AbstractStreamOperator get CloseableRegistry
> ------------------------------------------------------
>
> Key: FLINK-5241
> URL: https://issues.apache.org/jira/browse/FLINK-5241
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Task
> Affects Versions: 1.2.0
> Reporter: Till Rohrmann
> Priority: Not a Priority
>
> At the moment, all {{AbstractStreamOperator}} register their {{Closeables}}
> at the containing {{StreamTask's}} {{CloseableRegistry}}. In order to
> separate the closing of stream operator specific {{Closeables}} it might make
> sense to instantiate a {{CloseableRegistry}} for each
> {{AbstractStreamOperator}} and registering this registry at the
> {{StreamTask's}} registry. That way the {{AbstractStreamOperator}} can close
> it's own {{Closeables}} without affecting other {{AbstractStreamOperators}}
> and not having to wait for the {{StreamTask}} to close by closing its own
> {{CloseableRegistry}}.
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