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From "Tyler Hobbs (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-7836) Data loss after moving tokens
Date Tue, 26 Aug 2014 19:11:57 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-7836?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tyler Hobbs updated CASSANDRA-7836:
-----------------------------------

    Priority: Critical  (was: Major)

> Data loss after moving tokens
> -----------------------------
>
>                 Key: CASSANDRA-7836
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7836
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>         Environment: OSX and Ubuntu 14.04
>            Reporter: Philip Thompson
>            Priority: Critical
>             Fix For: 2.1.0
>
>         Attachments: topology_test.py
>
>
> The dtest topology_test:TestTopology.movement_test is failing on 2.1.0 and 2.1-HEAD.
The test, which has been attached, goes through the following workflow:
> - Create an unbalanced three node cluster without vnodes
> - Create a keyspace with RF=1
> - Load data into the cluster
> - Flush the cluster with nodetool flush
> - Move the tokens around to balance the cluster, using nodetool move
> - Run nodetool cleanup
> At this point, the test checks that all 10,000 of the originally inserted rows are still
there. In 2.0.10 that is true, however in 2.1, only ~4000 rows exist.



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