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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-9840) global_row_key_cache_test.py fails; loses mutations on cluster restart
Date Fri, 28 Aug 2015 20:59:46 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-9840?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksey Yeschenko updated CASSANDRA-9840:
-----------------------------------------
    Issue Type: Bug  (was: Sub-task)
        Parent:     (was: CASSANDRA-8099)

> global_row_key_cache_test.py fails; loses mutations on cluster restart
> ----------------------------------------------------------------------
>
>                 Key: CASSANDRA-9840
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9840
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Shawn Kumar
>            Priority: Blocker
>             Fix For: 3.0.x
>
>         Attachments: node1.log, node2.log, node3.log, noseout.txt
>
>
> This test is currently failing on trunk. I've attached the test output and logs. It seems
that the failure of the test doesn't necessarily have anything to do with global row/key caches
- as on the initial loop of the test [neither are used|https://github.com/riptano/cassandra-dtest/blob/master/global_row_key_cache_test.py#L15]
and we still hit failure. The test itself fails when a second validation of values after a
cluster restart fails to capture deletes issued prior to the restart and first successful
validation. However, if I add flushes prior to restarting the cluster the test completes successfully,
implying an issue with loss of in-memory mutations due to the cluster restart. Initially I
had though this might be due to CASSANDRA-9669, but as Benedict pointed out, the fact that
this test has been succeeding consistently on both 2.1 and 2.2 branch indicates there may
be another issue at hand.



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