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https://issues.apache.org/jira/browse/CASSANDRA-4208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13457343#comment-13457343
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Robbie Strickland commented on CASSANDRA-4208:
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The attached patch works and we have it running in production. I'm not sure
why I haven't received any response since May on whether this will be included
in some future release. I presume everyone is busy on other features.
> ColumnFamilyOutputFormat should support writing to multiple column families
> ---------------------------------------------------------------------------
>
> Key: CASSANDRA-4208
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4208
> Project: Cassandra
> Issue Type: Improvement
> Components: Hadoop
> Affects Versions: 1.1.0
> Reporter: Robbie Strickland
> Attachments: cassandra-1.1-4208.txt, cassandra-1.1-4208-v2.txt,
> cassandra-1.1-4208-v3.txt, trunk-4208.txt, trunk-4208-v2.txt
>
>
> It is not currently possible to output records to more than one column family
> in a single reducer. Considering that writing values to Cassandra often
> involves multiple column families (i.e. updating your index when you insert a
> new value), this seems overly restrictive. I am submitting a patch that
> moves the specification of column family from the job configuration to the
> write() call in ColumnFamilyRecordWriter.
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