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From "Stu Hood (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-1193) Make hadoop functionality available to languages other than Java
Date Wed, 16 Jun 2010 16:44:24 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-1193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12879376#action_12879376
] 

Stu Hood commented on CASSANDRA-1193:
-------------------------------------

One solution would be to implement a TextColumnFamilyInputFormat that wraps ColumnFamilyInputFormat
to convert the datastructures it outputs into JSON/TSV/CSV.

> Make hadoop functionality available to languages other than Java
> ----------------------------------------------------------------
>
>                 Key: CASSANDRA-1193
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1193
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Hadoop
>            Reporter: Jeremy Hanna
>            Priority: Minor
>
> Currently the hadoop functionality, specifically the MapReduce hooks that are in Cassandra,
are only available via Java code.
> It would be nice to make that functionality available to other languages, perhaps via
hadoop streaming.  This allows any language that can use STDIN/STDOUT to use MapReduce.
> It seems like this approach could be realized with a small amount of code to make the
inputs/outputs into strings.

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