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https://issues.apache.org/jira/browse/CASSANDRA-5043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13528810#comment-13528810
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Pavel Yaskevich commented on CASSANDRA-5043:
--------------------------------------------

I'm saying this because there a particular time-ordered workload involving 
multiple sstables which shouldn't be all sorted and if assertion is not firing 
it could mean that something is broken or assertions are disabled, I will 
double check that tomorrow.
                
> Small CollationController refactoring and CFS.getRawCachedRow(DecoratedKey) 
> fix.
> --------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-5043
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5043
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Pavel Yaskevich
>            Assignee: Pavel Yaskevich
>            Priority: Minor
>             Fix For: 1.2.0
>
>         Attachments: CASSANDRA-5043.patch
>
>
> CollactionController can construct a factory on init based on mutableColumns 
> parameter. ArrayBackedSortedColumns proven to be better for counters as well 
> as normal columns (row size from 5 to 75 columns). CFS.getRawCachedRow would 
> copy key byte array each time it contracts a RowCacheKey so we want to avoid 
> that where possible.

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