Hey,

In my Chef recipes for AppCloud (Engine Yard's PaaS Product) I actually 
configured haproxy to listen on 8098 on the application instances and redirect 
to all the riak nodes in a roundrobin fashion. (Had httpchk for /ping to ensure 
the node is up)

In my own testing with basho_bench this seemed to work, I'm unsure of what 
drawbacks there would be because I could not find any other then HTTP was 
slower then PBC.

I did find find that Protobuffers did not roundrobin correctly with haproxy 
using tcp mode... darn :(

So if we're just speaking HTTP could totally use HAProxy or a Hardware Load 
balancer to spread out the load.

Scott
-- 
Scott M. Likens
Sent with Sparrow (http://www.sparrowmailapp.com/?sig)

On Friday, May 27, 2011 at 12:40 PM, Sean Cribbs wrote:

> This is one thing I desperately want to refactor. The Ruby client still 
> contains some things that reflect my earlier, less astute understanding of 
> how a Riak client should behave and doesn't include obvious things like 
> retrying requests (possibly on other nodes), conflict resolution strategies, 
> and mutators.
> 
> In the past, I have recommended that users put a lightweight load-balancer 
> (e.g. haproxy, pound) between their application and Riak, and simply have the 
> app connect to the locally-running instance of the LB. I realize this is not 
> a great solution, but it also avoids a little NIH for now.
> 
> Sean Cribbs <s...@basho.com (mailto:s...@basho.com)>
> Developer Advocate
> Basho Technologies, Inc.
> http://basho.com/
> 
> On May 27, 2011, at 3:20 PM, Keith Bennett wrote:
> 
> > Hi, all. If I have several riak servers on a cluster, and want to 
> > distribute load fairly evenly, and am using the Ruby Riak client, what is 
> > the best way to balance load?
> > 
> > With the HTTP interface, I can randomize the choice of host for a request. 
> > How would I do the same with the ruby client? Would I create a Riak::Client 
> > for each host, and then just randomize the selection of those for a given 
> > call? Do the clients contain any state that would make this a bad idea? Or 
> > is there a better way to do this?
> > 
> > Thanks,
> > Keith
> > 
> > 
> > _______________________________________________
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> 
> 
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