Till Rohrmann created FLINK-5241:
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Summary: Introduce AbstractStreamOperator get CloseableRegistry
Key: FLINK-5241
URL: https://issues.apache.org/jira/browse/FLINK-5241
Project: Flink
Issue Type: Improvement
Components: State Backends, Checkpointing
Affects Versions: 1.2.0
Reporter: Till Rohrmann
Priority: Minor
Fix For: 1.2.0
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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