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From "Jeremy Hanna (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-2378) Enhance hadoop support to take a list of hosts for the initial connection
Date Thu, 24 Mar 2011 15:41:05 GMT
Enhance hadoop support to take a list of hosts for the initial connection
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                 Key: CASSANDRA-2378
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2378
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Jeremy Hanna
            Assignee: Jeremy Hanna


Currently the hadoop configuration accepts a host to do the initial connection - from there
it spreads the load around the ring with the input splits.  Using rrdns with retry logic would
be fine externally, but it would be nice to have something built-in to handle multiple hosts.
 So as we talked about in the channel, the cassandra hadoop config variable for cassandra
host could accept a comma separated list of hosts that it could try for the initial connection.
 It could hit a random host and if that timed out, try another host and return an error to
the calling client if it couldn't succeed with any of the hosts.

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