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From Robert Coli <>
Subject Re: replication_factor: ?
Date Fri, 07 Mar 2014 19:36:03 GMT
On Fri, Mar 7, 2014 at 7:26 AM, Daniel Curry <>wrote:

>   I would like to know on what is the rule of thumb for
> "replication_factor:" number?
> I think the answer is depends on how many nodes one has? IE: three nodes
> will be the
> number 3.  What would happen it I put the number 2 for a three node
> cluster?

To make best use of Cassandra, my minimum recommendation is usually RF=3,
N=6. There are certainly valid use cases with lower RF or N but from what I
can tell they are an order of magnitude less common.


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