[jira] [Created] (FLINK-12535) Make CheckpointBarrierHandler non-blocking

[Shang Yuanchun (Jira)]

Piotr Nowojski created FLINK-12535:
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             Summary: Make CheckpointBarrierHandler non-blocking
                 Key: FLINK-12535
                 URL: https://issues.apache.org/jira/browse/FLINK-12535
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Network
         Environment: Replace blocking {{CheckpointBarrierHandler.getNext()}} method with {{poll()}} and {{CompletableFuture<?> isAvailable()}}.
            Reporter: Piotr Nowojski
            Assignee: Piotr Nowojski






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