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Posted to commits@cassandra.apache.org by "Stu Hood (JIRA)" <ji...@apache.org> on 2010/06/16 18:44:24 UTC
[jira] Commented: (CASSANDRA-1193) Make hadoop functionality
available to languages other than Java
[ 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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