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From "Pavel Yaskevich (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-3804) upgrade problems from 1.0 to trunk
Date Wed, 15 Feb 2012 07:09:59 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-3804?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pavel Yaskevich updated CASSANDRA-3804:
---------------------------------------

    Affects Version/s:     (was: 1.0.7)
                       1.1.0
        Fix Version/s:     (was: 1.0.8)
                       1.1.0
    
> upgrade problems from 1.0 to trunk
> ----------------------------------
>
>                 Key: CASSANDRA-3804
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3804
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.1.0
>         Environment: ubuntu, cluster set up with ccm.
>            Reporter: Tyler Patterson
>            Assignee: Pavel Yaskevich
>             Fix For: 1.1.0
>
>         Attachments: CASSANDRA-3804-1.1.patch, CASSANDRA-3804.patch
>
>
> A 3-node cluster is on version 0.8.9, 1.0.6, or 1.0.7 and then one and only one node
is taken down, upgraded to trunk, and started again. An rpc timeout exception happens if counter-add
operations are done. It usually takes between 1 and 500 add operations before the failure
occurs. The failure seems to happen sooner if the coordinator node is NOT the one that was
upgraded. Here is the error: 
> {code}
> ======================================================================
> ERROR: counter_upgrade_test.TestCounterUpgrade.counter_upgrade_test
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File "/usr/lib/pymodules/python2.7/nose/case.py", line 187, in runTest
>     self.test(*self.arg)
>   File "/home/tahooie/cassandra-dtest/counter_upgrade_test.py", line 50, in counter_upgrade_test
>     cursor.execute("UPDATE counters SET row = row+1 where key='a'")
>   File "/usr/local/lib/python2.7/dist-packages/cql/cursor.py", line 96, in execute
>     raise cql.OperationalError("Request did not complete within rpc_timeout.")
> OperationalError: Request did not complete within rpc_timeout.
> {code}
> A script has been added to cassandra-dtest (counter_upgrade_test.py) to demonstrate the
failure. The newest version of CCM is required to run the test. It is available here if it
hasn't yet been pulled: git@github.com:tpatterson/ccm.git

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