cassandra-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Brandon Williams (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-2878) Allow map/reduce to use server-side query filters
Date Mon, 23 Jan 2012 21:25:41 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-2878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13191472#comment-13191472
] 

Brandon Williams commented on CASSANDRA-2878:
---------------------------------------------

+1 on e66fc06 at https://github.com/jbellis/cassandra/tree/2878-rebased
                
> Allow map/reduce to use server-side query filters
> -------------------------------------------------
>
>                 Key: CASSANDRA-2878
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2878
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Hadoop
>            Reporter: Mck SembWever
>            Assignee: Jonathan Ellis
>            Priority: Critical
>              Labels: hadoop
>             Fix For: 1.1
>
>
> Currently, when running a MapReduce job against data in a Cassandra data store, it reads
through all the data for a particular ColumnFamily.  This could be optimized to only read
through those rows that have to do with the query.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

Mime
View raw message