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https://issues.apache.org/jira/browse/CASSANDRA-3929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13449420#comment-13449420
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Rick Branson commented on CASSANDRA-3929:
-----------------------------------------
+1 for tombstoning the tail of the row and not the head.
If you want the most recent data at the head of the row, use a
ReversedType(TimeUUIDType) comparator. Grabbing the tail on every query will
kill performance.
> Support row size limits
> -----------------------
>
> Key: CASSANDRA-3929
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3929
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Affects Versions: 1.2.1
> Reporter: Jonathan Ellis
> Assignee: Dave Brosius
> Priority: Minor
> Labels: ponies
> Fix For: 1.2.1
>
> Attachments: 3929.txt
>
>
> We currently support expiring columns by time-to-live; we've also had
> requests for keeping the most recent N columns in a row.
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