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Posted to dev@qpid.apache.org by "Lorenz Quack (JIRA)" <ji...@apache.org> on 2017/04/28 13:39:04 UTC

[jira] [Created] (QPID-7763) [Java Broker] Flow to disk if allocated direct memory exceeds broker wide broker.flowToDiskThreshold

Lorenz Quack created QPID-7763:
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             Summary: [Java Broker] Flow to disk if allocated direct memory exceeds broker wide broker.flowToDiskThreshold
                 Key: QPID-7763
                 URL: https://issues.apache.org/jira/browse/QPID-7763
             Project: Qpid
          Issue Type: Bug
          Components: Java Broker
            Reporter: Lorenz Quack


Currently the broker.flowToDiskThreshold is compared against the size used by messages on queues.
However, the intent was to have a mechanism for preventing the broker going out of direct memory. For this it is much more interesting to observe how much direct memory the QpidByteBuffers use. The two numbers can easily differ since the QBB can be sparsely populated. 



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