Improve Cassandra to MapReduce locality sharing
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Key: CASSANDRA-1124
URL: https://issues.apache.org/jira/browse/CASSANDRA-1124
Project: Cassandra
Issue Type: Improvement
Components: Hadoop
Reporter: Jeremy Hanna
Priority: Minor
Currently, the hadoop integration only passes the data's local node information
(ColumnFamilyRecordReader-RowIterator-getLocation). Hadoop can take advantage
of full locality and it's possible that we have full locality configured in
Cassandra.
So this improvement is for adding the full locality of the data into the String
in a way that hadoop can make use of it with its Job/Task Trackers.
This will allow for jobs to be potentially on the same rack and/or datacenter
if possible.
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