[jira] [Updated] (CASSANDRA-6893) Unintended update with conditional statement

["Sylvain Lebresne (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-6893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sylvain Lebresne updated CASSANDRA-6893:
----------------------------------------

    Reviewer: Aleksey Yeschenko  (was: Tyler Hobbs)

> Unintended update with conditional statement
> --------------------------------------------
>
>                 Key: CASSANDRA-6893
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6893
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: Ubuntu Precise 64bit / Cassandra 2.0.6
>            Reporter: Suguru Namura
>            Assignee: Sylvain Lebresne
>             Fix For: 2.0.7
>
>         Attachments: 6893.txt, ConcurrentCASUpdate.java
>
>
> After updated to 2.0.6, I have encountered the strange behavior of conditional updates.
> When I executed CQL like UPDATE test SET value = ? WHERE id = ? IF value = ? in concurrent, sometimes cassandra returns true even if value is not satisfied the condition.
> I have attached the program which reproduce this issue. The program works fine in cassandra 2.0.5. But it seems that resets values while execution in 2.0.6.



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