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https://issues.apache.org/jira/browse/CASSANDRA-6690?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksey Yeschenko updated CASSANDRA-6690:
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Attachment: 6690.txt
> Replace EmptyColumns with updated ArrayBackedSortedColumns
> ----------------------------------------------------------
>
> Key: CASSANDRA-6690
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6690
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Aleksey Yeschenko
> Assignee: Aleksey Yeschenko
> Priority: Minor
> Fix For: 2.1
>
> Attachments: 6690.txt
>
>
> Now that UnsortedColumns is gone (CASSANDRA-6630) and
> TreeMapBackedSortedColumns is also gone (CASSANDRA-6662), we can also get rid
> of EmptyColumns and, further, inline AbstractThreadUnsafeSortedColumns into
> ABSC, leaving us with just two ColumnFamily implementations -
> AtomicBTreeColumns for the memtable and ABSC for everything else.
> The modified ABSC in the patch starts with the empty static array, so in
> terms of memory it's about the same as EmptyColumns used to be.
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