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https://issues.apache.org/jira/browse/QPID-3841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ken Giusti resolved QPID-3841.
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Resolution: Fixed
> Improve batching of writes for outbound messages.
> -------------------------------------------------
>
> Key: QPID-3841
> URL: https://issues.apache.org/jira/browse/QPID-3841
> Project: Qpid
> Issue Type: Improvement
> Components: C++ Broker
> Affects Versions: 0.15
> Reporter: Ken Giusti
> Assignee: Ken Giusti
> Priority: Minor
> Fix For: 0.15
>
>
> A patch created by Gordon Sim will allow the connection to batch up outbound
> messages, resulting in less calls to the socket's write method (as more data
> is passed with each write).
> This results in a small performance improvement. For example, given a broker
> with a single queue (flow control disabled), qpid-send filling it and
> qpid-receive draining it simultaineously with 300 byte messages:
> Pre-patch:
> qpid-send= 77581 msg/sec
> qpid-receive= 77345 msg/sec
> Post-patch:
> qpid-send= 84931 msg/sec
> qpid-receive= 84789 msg/sec
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