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From Robert Coli <rc...@eventbrite.com>
Subject Re: moving all data to new cluster ?
Date Wed, 04 Sep 2013 19:44:12 GMT
On Wed, Sep 4, 2013 at 12:38 PM, Langston, Jim
<Jim.Langston@compuware.com>wrote:

>  I have built a new 4 node cluster and would like to move the data
> from the current 2 node cluster to the new cluster. What would be
> the best way to move the data and utilize it on the new cluster. I
> have looked at snapshot and also just copying the entire tree from
> the old cluster to the new cluster. Not sure what the best practice
> would be. I'm testing that process now in preparation for moving the
> current data (production) to the new larger ring (systems are bigger
> and more memory) and decommission the older ring (smaller systems,
> less memory).
>

http://www.palominodb.com/blog/2012/09/25/bulk-loading-options-cassandra

In your case, I would just copy all sstables to all target nodes and run
cleanup.

=Rob

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