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https://issues.apache.org/jira/browse/CASSANDRA-2280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13017984#comment-13017984
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Stu Hood commented on CASSANDRA-2280:
-------------------------------------

> But AES does NOT send the empty list, so an old-version target will reply 
> with the wrong data.
It will reply with "all of the data". The only alternative would be for it to 
not send anything at all since we have no way for an old-version and 
new-version to communicate which CFs they want to send or receive. I think that 
"do what we've always done" is a reasonable backwards compatibility strategy.

> Request specific column families using StreamIn
> -----------------------------------------------
>
>                 Key: CASSANDRA-2280
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2280
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Stu Hood
>            Assignee: Stu Hood
>             Fix For: 0.8
>
>         Attachments: 
> 0001-Allow-specific-column-families-to-be-requested-for-str.txt
>
>
> StreamIn.requestRanges only specifies a keyspace, meaning that requesting a 
> range will request it for all column families: if you have a large number of 
> CFs, this can cause quite a headache.

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