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https://issues.apache.org/jira/browse/CASSANDRA-3165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13101210#comment-13101210
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Jonathan Ellis commented on CASSANDRA-3165:
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+1
Also think this should be in 1.0 since it corrects an omission in
CASSANDRA-2843.
> ArrayBackedSortedColumns is not being used by ColumnFamily.cloneMeShallow()
> ---------------------------------------------------------------------------
>
> Key: CASSANDRA-3165
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3165
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Affects Versions: 1.0
> Reporter: Yang Yang
> Priority: Minor
> Fix For: 1.1
>
> Attachments:
> 0001-ColumnFamily.cloneMeShallow-should-remember-the-fact.patch, 3165_v2.patch
>
>
> JIRA 2843 utilizes ArrayBackedSortedColumns for read path.
> but this is missed in ColumnFamily.cloneMeShallow(), which still calls
> ColumnFamily.create() without the factory, so it defaults to the slower
> SkipList-based one.
> an easy change is to remember the factory, and use it when cloneMeShallow()
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