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From "Benedict (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-7393) Replace counter cache with optimised counter read path
Date Fri, 19 Sep 2014 04:09:33 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-7393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14139948#comment-14139948
] 

Benedict commented on CASSANDRA-7393:
-------------------------------------

If this is targeting 3.0, there really isn't a lot of point...? The plan is to retire collectTimeOrderedData
along with all of the current SSTable read/write path...

> Replace counter cache with optimised counter read path
> ------------------------------------------------------
>
>                 Key: CASSANDRA-7393
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7393
>             Project: Cassandra
>          Issue Type: Sub-task
>            Reporter: Aleksey Yeschenko
>             Fix For: 3.0
>
>
> As mentioned in CASSANDRA-7366, we can utilize the optimizations in CollationController#collectTimeOrderedData()
now for the read-before-write counter path, and get most/all of the benefits of the counter
cache for 'free' + get better 'cold' read performance as well.



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