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Posted to commits@cassandra.apache.org by "Piotr Kołaczkowski (JIRA)" <ji...@apache.org> on 2014/02/17 15:10:19 UTC

[jira] [Created] (CASSANDRA-6714) Upgrading from 1.2 to 2.0 without prior nodetool flush causes data loss

Piotr Kołaczkowski created CASSANDRA-6714:
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             Summary: Upgrading from 1.2 to 2.0 without prior nodetool flush causes data loss
                 Key: CASSANDRA-6714
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6714
             Project: Cassandra
          Issue Type: Bug
          Components: Core
         Environment: Old node: Cassandra 1.2.15 (DSE)
New node: Cassandra 2.0.5.1 (DSE)
            Reporter: Piotr Kołaczkowski
            Priority: Critical


Accidentally forgetting to nodetool drain or flush before upgrading to 2.0  causes silent loss of unflushed data. No errors or warnings are reported in the system.log.



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