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From 李翰林 (JIRA) <j...@apache.org>
Subject [jira] [Created] (QPID-6676) QPID 0.32 throughput drop sharply with HA module
Date Tue, 04 Aug 2015 06:38:04 GMT
李翰林 created QPID-6676:
-------------------------

             Summary: 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: qpid-cpp-0.34, 0.32
         Environment: CentOS6.5 X86_64
            Reporter: 李翰林
            Assignee: Alan Conway


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

get the output from step 2:
Queue Name          Sec        Depth    Enq Rate    Deq Rate
===============================================
testHA.queue  1064.00         11350         10.67            0.00       <== step3
testHA.queue        2.00         28965     8807.35            0.00
testHA.queue        2.00         46650     8842.57            0.00
testHA.queue        2.00         64300     8825.08            0.00
testHA.queue        2.00         81950     8824.85            0.00
testHA.queue        2.00         99600     8825.04            0.00
testHA.queue        2.00       100000       199.97            0.00
testHA.queue      40.01                 0           0.00      2499.65       <== step4
testHA.queue      16.00             250         15.63            0.00       <== step5
testHA.queue        2.00             900       325.07            0.00
testHA.queue        2.00           1600       350.05            0.00
testHA.queue        2.00           2300       350.12            0.00
testHA.queue        2.00           3000       349.98            0.00
testHA.queue       2.00            3700       349.96            0.00
testHA.queue       2.00            4350       324.96            0.00






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