Limit number of bytes in write buffer queue
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                 Key: QPID-592
                 URL: https://issues.apache.org/jira/browse/QPID-592
             Project: Qpid
          Issue Type: Improvement
          Components: Java Common
    Affects Versions: M2
         Environment: Any
            Reporter: Robert Greig
            Assignee: Rob Godfrey
            Priority: Critical
             Fix For: M2.1


There has been a long outstanding issue where we do not limit the size of the 
write buffer queue. This causes apps where the publisher is trying to publish 
faster than the broker can read it to run out of memory eventually.

There was a fix submitted to MINA as MINA-302 but this has not been applied.

Since the fix uses MINA's API for extensibility - the filter concept - there is 
no reason why this cannot simply be added to the qpid codebase until such times 
as MINA add the functionality themselves.

This must be seen as high priority for M2.1 since users run into this issue 
quickly.

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