[jira] [Commented] (CASSANDRA-4208) ColumnFamilyOutputFormat should support writing to multiple column families

["Michael Kjellman (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-4208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13457310#comment-13457310 ] 

Michael Kjellman commented on CASSANDRA-4208:
---------------------------------------------

any additional updates on this? Robbie -- what direction did you decide to pursue?
                
> 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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