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Posted to commits@cassandra.apache.org by "Daniel Meyer (JIRA)" <ji...@apache.org> on 2013/08/27 18:27:52 UTC

[jira] [Created] (CASSANDRA-5942) bootstrapping new node after upgrading cluster causes counter columns to randomly have incorrect values

Daniel Meyer created CASSANDRA-5942:
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             Summary: bootstrapping new node after upgrading cluster causes counter columns to randomly have incorrect values
                 Key: CASSANDRA-5942
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5942
             Project: Cassandra
          Issue Type: Bug
         Environment: java version "1.7.0_25"
Java(TM) SE Runtime Environment (build 1.7.0_25-b15)
Java HotSpot(TM) 64-Bit Server VM (build 23.25-b01, mixed mode)
            Reporter: Daniel Meyer
             Fix For: 2.0
         Attachments: logs.tar, upgrade_through_versions_test.py

Running the latest version of upgrade_through_versions_test will randomly fail at a rate of about 1 out of 5 runs due to an incorrect counter value.  A slightly modified version of the test is attached for reference.  This version has trunk eliminated from the versions list and an extra debugging statement.

The problem occurs after upgrading to the 2.0 branch from the 1.2 branch and after boostrapping a new node to the cluster.  Best way to repro is just run the test in a loop 5 to 10 times. 

Be sure to set PRINT_DEBUG env variable to true and run test with --nocapture to see the debug output.  Logs are also included.

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