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From Jeremiah Jordan <>
Subject Re: exporting data from Cassandra cluster
Date Wed, 07 Dec 2011 21:00:22 GMT
Stop your current cluster.  Start a new cassandra instance on the 
machine you want to store your data on.  Use the sstable loader to load 
the sstables from all of the current machines into the new machine.  Run 
major compaction a couple times.  You will have all of the data on one 

On 12/07/2011 10:17 AM, Alexandru Dan Sicoe wrote:
> Hello everyone.
>  3 node Cassandra 0.8.5 cluster. I've left the system running in 
> production environment for long term testing. I've accumulated about 
> 350GB of data with RF=2. The machines I used for the tests are older 
> and need to be replaced. Because of this I need to export the data to 
> a permanent location. How should I export the data? In order to reduce 
> the storage spac I want to export only the non-replicated data? I 
> mean, just one copy of the data (without the replicas). Is this 
> possible? How?
> Cheers,
> Alexandru

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