This solved we are doing some thing wrong in our application thanks for your help.

On 04/13/2011 01:43 AM, Peter Schuller wrote:
I have two cassandra node's,If Boot strapped  nodes goes down my service
remains alive,But if my non Bootstrap (master) node goes down my live site
goes down as well,I am using cassandra 0.6.3 can any elaborate on this
problem.
Assuming your RF is 2 (not 1), and that you are reading at consistency
level ONE (not QUORUM, which would be 2 in the case of RF=2),
single-node failures should be tolerated.

In order for people to help you'd have to specify some more
informaton. For example, your "site goes down" - but what is the
actual error condition w.r.t. Cassandra? What is the error reported by
the Cassandra client (and which client is it)?

I'm not sure what you mean w.r.t. boostrap/master etc. All nodes
should be entirely equal, with the exception of nodes that are marked
as seed nodes. But seed nodes going down should not cause reads and
writes to fail.



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