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From "Alan Conway (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (QPID-5975) HA extra/missing messages when running qpid-txtest2 in a loop with failover.
Date Thu, 28 Aug 2014 19:00:09 GMT

     [ https://issues.apache.org/jira/browse/QPID-5975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alan Conway updated QPID-5975:
------------------------------

    Attachment: ha.tgz

Attached ha.tgz

Updated with second reproducer:

    ha-tx-txtest2.sh: Runs qpid-txtest2 with failover only during the transfer           
                                                                                         
                                 
    phase.  Ignores TransactionUnknown errors from the transfer phase but runs the       
                                                                                         
                                 
    verify phase to ensure no extra/missing messages.                                    
                                                                                         
                                 
                                                                                         
                                                                                         
                                 
    ha-tx-atomic.sh: Runs transactional qpid-send/qpid-receive with fail-over and        
                                                                                         
                                 
    verifies that the number of enqueues/dequeues and message depth are a multiple       
                                                                                         
                                 
    of the transaction size.                                                             
                                                                                         
                                 


> HA extra/missing messages when running qpid-txtest2 in a loop with failover. 
> -----------------------------------------------------------------------------
>
>                 Key: QPID-5975
>                 URL: https://issues.apache.org/jira/browse/QPID-5975
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Clustering
>    Affects Versions: 0.28
>            Reporter: Alan Conway
>            Assignee: Alan Conway
>         Attachments: ha.tgz
>
>
> Running qpid-txtest2 in a loop against a 3 node cluster while killing primary brokers
to force failover eventually results in the test failing due to extra or missing messages.
> To reproduce:
> In separate windows:
> $ while ha stat; qpid-txtest2 -b 20.0.20.200 --total-messages 100 --connection-options
'{reconnect:true}' --messages-per-tx 10 --tx-count 10; do true; done
> $ while ha wait -a 2; do sleep .5; ha kill;  done # ha script  attached.
> Results:
> Eventually (up to 10 minutes) the test fails with a message like: 
> The following ids were missing:
>     'msg-100'
>     'msg-51'
>     'msg-52'
>     'msg-53'
> OR 
> The following extra ids were encountered:
>     'msg-1'
>     'msg-1'
>     'msg-10'
> Expected result: 
> Test runs forever, no failures.



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