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[jira] [Created] (FLINK-9756) Exceptions in BufferListener#notifyBufferAvailable do not trigger further listeners in LocalBufferPool#recycle()


Nico Kruber created FLINK-9756:
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             Summary: Exceptions in BufferListener#notifyBufferAvailable do not trigger further listeners in LocalBufferPool#recycle()
                 Key: FLINK-9756
                 URL: https://issues.apache.org/jira/browse/FLINK-9756
             Project: Flink
          Issue Type: Bug
          Components: Network
    Affects Versions: 1.5.0
            Reporter: Nico Kruber
            Assignee: Nico Kruber
             Fix For: 1.6.0, 1.5.2


Any {{Exception}} thrown in {{BufferListener#notifyBufferAvailable}} will currently not trigger calling further listeners in {{LocalBufferPool#recycle()}} and only add the given memory segment to the queue of available ones.

Usually this will not be the last call to {{recycle()}} and future calls may call the listeners but this also introduces further delay in configurations with tight numbers of buffers in the local pool and listeners waiting on them when one task's listener was failing.



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