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https://issues.apache.org/jira/browse/QPID-6676?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14654278#comment-14654278
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Alan Conway commented on QPID-6676:
-----------------------------------
Thanks for the excellent bug report, your instructions to reproduce the bug are
refreshingly clear.
This is a bug, I see exactly what you describe. I will investigate and fix as
soon as I can.
> QPID 0.32 throughput drop sharply with HA module
> ------------------------------------------------
>
> Key: QPID-6676
> URL: https://issues.apache.org/jira/browse/QPID-6676
> Project: Qpid
> Issue Type: Bug
> Components: C++ Broker, C++ Clustering
> Affects Versions: 0.32, qpid-cpp-0.34
> Environment: CentOS6.5 X86_64
> Reporter: Robert Lee
> Assignee: Alan Conway
> Priority: Critical
>
> I build QPID 0.32 C++ broker with HA module on CentOS6.5 and run a cluster of
> 2 nodes with --ha-replicate=all, Then send messages using QPID Messaging API
> continuously with protocol AMQP0-10 and I meet a strange problem,If I purge
> all of messages in a queue and continue to send messages,The throughput drop
> sharply. And the same problem seen on QPID 0.34
> Steps to reproduce:
> 1:
> qpid-config add exchange direct testHA.exchange
> qpid-config add queue testHA.queue --max-queue-size 1048576000
> qpid-config bind testHA.exchange testHA.queue testHA.binding
> 2:
> Run "qpid-queue-stats -f testHA.queue" on a console
> 3:
> Send 100000 messages to testHA.exchange with routingkey testHA.binding
> 4:
> Purge queue use the QPID manager tool (qpid-tool)
> 5:
> Repeat step 3
> In the step 3, I can send about 8000 messages per second one producer, and In
> step 4, I purge all messages in the queue, then send messages continue, I can
> only send about 300 messages per second, But when I shutdown the backup node
> the throughput back to normal
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