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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (CASSANDRA-1821) Allow Map/Reduce functionality over multiple column families
Date Sun, 05 Dec 2010 03:48:10 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-1821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis resolved CASSANDRA-1821.
---------------------------------------

    Resolution: Invalid

> Allow Map/Reduce functionality over multiple column families
> ------------------------------------------------------------
>
>                 Key: CASSANDRA-1821
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1821
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Hadoop
>            Reporter: Jeremy Hanna
>
> Currently, the ColumnFamilyRecordReader can only retrieve slice predicates from a single
column family.  With analytics, it's likely that people will want to map/reduce over multiple
column families.

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