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From "Jeremy Hanna (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1145) Reading with CL > ONE returns multiple copies of the same column per key.
Date Tue, 06 Jul 2010 23:45:54 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12885744#action_12885744
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Jeremy Hanna commented on CASSANDRA-1145:
-----------------------------------------

Hi AJ, taking another look at this.  I'm getting errors when I try to put ('localhost:9160')
in the SERVERS variable in bugtest.py.  Specifically, I'm seeing that pycassa is giving a
NoServerAvailable exception when trying to connect.  So I'm unable to reproduce the problem.

Can you see if you can get it to run and hopefully replicate the problem just with the localhost?
 I'm not sure if I'm just configuring that incorrectly either. 

> Reading with CL > ONE returns multiple copies of the same column per key.
> -------------------------------------------------------------------------
>
>                 Key: CASSANDRA-1145
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1145
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.6.1
>         Environment: ubuntu jaunty
>            Reporter: AJ Slater
>            Assignee: Jeremy Hanna
>            Priority: Critical
>             Fix For: 0.6.4
>
>         Attachments: bugtest.py, storage-conf.xml
>
>
> Testing with 0.6-trunk today:
> Reading with CL > ONE returns multiple copies of the same column per key consistent
with the replicas queried before return. i.e, for RC=3, a QUORUM read yields 2 copies and
an ALL read returns 3.
> This is with pycassa get_range() which is using get_range_slice()
> I see the same behavior with 0.6.1 and 0.6.2 debs
> If my experience is not unique, anyone using get_range_slice is now deluged with duplicate
data.

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