[jira] [Created] (FLINK-5241) Introduce AbstractStreamOperator get CloseableRegistry

["Till Rohrmann (JIRA)" <ji...@apache.org>]

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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