[Pacemaker] Assessment of the performance of a Pacemaker/Corosync active/active cluster

Andrew Beekhof andrew at beekhof.net
Fri Apr 16 11:27:54 EDT 2010


On Fri, Apr 16, 2010 at 3:05 PM, Francesco Petretti
<fpetretti at secure-edge.com> wrote:
> We have a couple of VMWare virtual machines, both running the same Operating
> System (RHEL 5.4);
> these guest systems run on different virtualization hosts.
>
> Both nodes run an Apache web server, serving the pages: "I am node 1" and "I
> am node 2".
>
> We have noticed that if a client accesses the floating IP, we get a
> transactions per second (TPS) number which is approximately 20% of the
> number that we get contacting real IPs.
>
> The configuration of these two nodes was done as outlined in:
> http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf

Which step are you up to?
Has the IP been cloned?

> Which parameters should we modify to improve the performance? (if the
> performance _can _be improved...).
> Can performance be improved ?
>
> --
> /******
> FP a.k.a. bip
> *****/
>
>
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