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Date: Fri, 18 May 2012 13:39:08 -0700
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Subject: Re: Migrating a column family from one cluster to another
From: Rob Coli <rcoli@palominodb.com>
To: user@cassandra.apache.org
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On Thu, May 17, 2012 at 9:37 AM, Bryan Fernandez <bfernandezsa@gmail.com> wrote:
> What would be the recommended
> approach to migrating a few column families from a six node cluster to a
> three node cluster?

The easiest way (if you are not using counters) is :

1) make sure all filenames of sstables are unique [1]
2) copy all sstablefiles from the 6 nodes to all 3 nodes
3) run a "cleanup" compaction on the 3 nodes

=Rob
[1] https://issues.apache.org/jira/browse/CASSANDRA-1983

-- 
=Robert Coli
AIM&GTALK - rcoli@palominodb.com
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