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https://issues.apache.org/jira/browse/CASSANDRA-6340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14334199#comment-14334199
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Tyler Hobbs commented on CASSANDRA-6340:
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Modern drivers have token-aware routing (and methods like 
{{getReplicas(partitionKey)}}), so it should be relatively easy to query each 
replica with CL.ONE.  The only complication would be read-repair, and that 
could be temporarily disabled through a schema change or JMX.  Unless there's 
something I'm missing, I suggest we resolve this as Not A Problem.

> Provide a mechanism for retrieving all replicas
> -----------------------------------------------
>
>                 Key: CASSANDRA-6340
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6340
>             Project: Cassandra
>          Issue Type: New Feature
>         Environment: Production 
>            Reporter: Ahmed Bashir
>            Priority: Minor
>              Labels: ponies
>
> In order to facilitate problem diagnosis, there should exist some mechanism 
> to retrieve all copies of specific columns



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