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https://issues.apache.org/jira/browse/CASSANDRA-1909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12975833#action_12975833
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Gary Dusbabek commented on CASSANDRA-1909:
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It took me a while to realize that replicate-on-write and counters were 
orthogonal concepts.  Knowing that puts this ticket in a different light since 
it seems that you can have counters that don't use replicate-on-write, in which 
case you'd want to rely on normal replication.  But then how is a counter that 
doesn't use replicate-on-write useful?  The example conf doesn't use it.

Either way in the default case (ROW is not being used), we send a ROWTask to 
the ROW-Stage for every RowMutation that ends up being mostly busy-work (it 
exits as soon as it realizes it's dealing with a non-ROW CF).  There ought to 
be a way to improve that so as not to penalize normal writes.

> normal replication shouldn't happen on counter CFs.
> ---------------------------------------------------
>
>                 Key: CASSANDRA-1909
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1909
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Gary Dusbabek
>            Assignee: Kelvin Kakugawa
>             Fix For: 0.8
>
>


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