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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2014/02/12 03:18:20 UTC

[jira] [Commented] (CASSANDRA-6690) Replace EmptyColumns with updated ArrayBackedSortedColumns

    [ https://issues.apache.org/jira/browse/CASSANDRA-6690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13898681#comment-13898681 ] 

Jonathan Ellis commented on CASSANDRA-6690:
-------------------------------------------

+1

> 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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