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From Nick Bailey <n...@datastax.com>
Subject Re: listen_address and rpc_address
Date Mon, 27 Jun 2011 17:31:38 GMT
I believe you are describing the issure here:

https://issues.apache.org/jira/browse/CASSANDRA-1777

Until that issue is fixed though, the solution is to use the same
interface for both.

On Mon, Jun 27, 2011 at 12:09 PM, Sebastien Coutu <scoutu@openplaces.org> wrote:
> Hi Everyone,
> Quick question regarding the listen_address and rpc_address parameters.
> We're trying to run some map-reduce jobs on our ring and my goal is to split
> the Cassandra intra-cluster traffic from the Thrift calls. I've populated
> the listen_address with the IP address of one interface and rpc_address with
> the IP addres of another interface. Let's call them IP A (listen) and IP B
> (rpc). Now our jobs are setup so the connect to IP B on the seed node and
> use the describe ring method to get the ring information and then know where
> to connect on each node (Forgive my very summary explanations but I don't
> want to dive in the code just yet). The issue is Cassandra returns the IP A
> for the ring nodes but I'd like to force the clients to connect to IP B. Is
> there anything we can do to make Cassandra return the RPC addresses when
> issuing that method or should I simply make RPC listen on all addresses?
> Thanks,
> Sebastien Coutu
> Hopper Inc.

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