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From "AJ Slater (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1145) Reading with CL > ONE returns multiple copies of the same column per key.
Date Wed, 07 Jul 2010 00:01:52 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12885747#action_12885747
] 

AJ Slater commented on CASSANDRA-1145:
--------------------------------------

Looks like pycassa has a problem with tuples with one element, which is another problem. So
to fix, use a list:

SERVERS= ['localhost:9160']

Also I ran into your NoServerAvailable problem, using localhost:9160.
Cassandra is likely not really listening on 'localhost:9160', try 'myServerName:9160'  or
use the exact IP you specify to thrift in storage-conf.xml


> 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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