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Posted to dev@qpid.apache.org by "Robbie Gemmell (Commented) (JIRA)" <ji...@apache.org> on 2012/02/03 11:53:53 UTC

[jira] [Commented] (QPID-3803) System tests SortedQueueTest#testSortedQueue fail ocasionally on slow machines

    [ https://issues.apache.org/jira/browse/QPID-3803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13199637#comment-13199637 ] 

Robbie Gemmell commented on QPID-3803:
--------------------------------------

Looking at the changes I would say the increase from 5 to 50 seconds would be better wrapped in an 'if persistent else' so that the extra time is only allotted on persistent runs (which is where the problem occurred due to slow disks), as I think taking over 5 ssecodns for 200 transient messages is something we would want to know about.

In the changes to the while loop, it now appears like the loop can spin while failing to receive messages in the 1 second timeout. I would probably choose to remove that possibility and just allow more time for an individual receive to succeed (again probably selectively allocating a longer time on persistent runs e.g 3 seconds, as it would be interesting to know that it took longer than a second on a transient run). 
                
> System tests SortedQueueTest#test<ACK MODE>SortedQueue fail ocasionally on slow machines
> ----------------------------------------------------------------------------------------
>
>                 Key: QPID-3803
>                 URL: https://issues.apache.org/jira/browse/QPID-3803
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Tests
>    Affects Versions: 0.15
>            Reporter: Alex Rudyy
>            Assignee: Robbie Gemmell
>             Fix For: 0.15
>
>         Attachments: 0001-QPID-3803-Fix-test-SortedQueueTest-failures.patch, TEST-org.apache.qpid.server.queue.SortedQueueTest.testClientAckSortedQueue.out, TEST-org.apache.qpid.server.queue.SortedQueueTest.txt
>
>
> Testcase: testClientAckSortedQueue took 9.829 sec
>         FAILED
> Incorrect number of messages received expected:<200> but was:<42>
> junit.framework.AssertionFailedError: Incorrect number of messages received expected:<200> but was:<42>
>         at org.apache.qpid.server.queue.SortedQueueTest.runThroughSortedQueueForSessionMode(SortedQueueTest.java:154)
>         at org.apache.qpid.server.queue.SortedQueueTest.testClientAckSortedQueue(SortedQueueTest.java:122)
>         at org.apache.qpid.test.utils.QpidBrokerTestCase.runBare(QpidBrokerTestCase.java:237)
>         at org.apache.qpid.test.utils.QpidTestCase.run(QpidTestCase.java:138)

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