[jira] [Created] (FLINK-5681) Make ReaperThread for SafetyNetCloseableRegistry a singleton

[Shang Yuanchun (Jira)]

Stefan Richter created FLINK-5681:
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             Summary: Make ReaperThread for SafetyNetCloseableRegistry a singleton
                 Key: FLINK-5681
                 URL: https://issues.apache.org/jira/browse/FLINK-5681
             Project: Flink
          Issue Type: Improvement
          Components: Core
            Reporter: Stefan Richter
            Assignee: Stefan Richter


Currently, each {{SafetyNetCloseableRegistry}} spawns an own ReaperThread. However, this duty could also be fulfilled by a single ReaperThread that is shared by all registries to save unnecessary threads.



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