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https://issues.apache.org/jira/browse/CASSANDRA-2280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13010287#comment-13010287
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Jonathan Ellis commented on CASSANDRA-2280:
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I'd prefer to avoid special-casing empty list and just pass all CF names when 
that is what we want.  A constructor or factory method that does not take a 
columnFamilies parameter could default to that, too.  (This is easy w/ CFS.all, 
but that would require using CFS objects instead of Strings. Which may be 
better anyway but it is hard to tell w/o trying it.)

Nit: we usually use "cfs" to abbreviate ColumnFamilyStore, suggest expanding to 
columnFamilies.

> 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
>             Fix For: 0.8
>
>         Attachments: 
> 0001-Allow-specific-column-families-to-be-requested-for-str.txt, 
> 0002-Only-flush-matching-CFS.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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