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From srmore <comom...@gmail.com>
Subject Re: Migrating data from 2 node cluster to a 3 node cluster
Date Sat, 06 Jul 2013 02:54:36 GMT
On Fri, Jul 5, 2013 at 6:08 PM, Robert Coli <rcoli@eventbrite.com> wrote:

> On Thu, Jul 4, 2013 at 10:03 AM, srmore <comomore@gmail.com> wrote:
>
>> We are planning to move data from a 2 node cluster to a 3 node cluster.
>> We are planning to copy the data from the two nodes (snapshot) to the new 2
>> nodes and hoping that Cassandra will sync it to the third node. Will this
>> work ? are there any other commands to run after we are done migrating,
>> like nodetool repair.
>>
>
> What RF are old and new cluster?
>

RF of old and new cluster is the same RF=3. Keyspaces and schema info is
also same.


>
> What are the tokens of old and new nodes?
>
tokens for old cluster ( 2-node )

node 0 -  0
node 1 -  85070591730234615865843651857942052864
Tokens for new cluster (3-node)
node 0 - 0
node 1 - 56713727820156407428984779325531226112
node 2 - 113427455640312814857969558651062452224


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

Thanks this helps a lot !


>
> =Rob
>

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