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https://issues.apache.org/jira/browse/CASSANDRA-1821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12966887#action_12966887
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Jeremy Hanna commented on CASSANDRA-1821:
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stu - yeah - was just going off of what was asked in the user list. if it can
be accomplished with pig/hive, that might be better then. I just wasn't sure.
> 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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