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Posted to commits@cassandra.apache.org by "Aleksey Yeschenko (JIRA)" <ji...@apache.org> on 2014/06/12 21:49:02 UTC

[jira] [Assigned] (CASSANDRA-7394) Optimize CollationController#collectTimeOrderedData() to potentially skip the sstables altogether

     [ https://issues.apache.org/jira/browse/CASSANDRA-7394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksey Yeschenko reassigned CASSANDRA-7394:
--------------------------------------------

    Assignee: Aleksey Yeschenko

> Optimize CollationController#collectTimeOrderedData() to potentially skip the sstables altogether
> -------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-7394
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7394
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Aleksey Yeschenko
>            Assignee: Aleksey Yeschenko
>            Priority: Minor
>
> As of now, collectTimeOrderedData() will try to read from at least one sstable, even if the request can be fulfilled from the memtable exclusively.
> If we initiate mostRecentRowTombstone with the value from the memtables and not Long.MIN_VALUE, reading from the sstables can be avoided entirely.



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