Memcached processes

[Paul Scott]

I have recently integrated Memcache support into the Chisimba PHP5
Framework (http://avoir.uwc.ac.za and a demo at http://fsiu.uwc.ac.za)
and was just wondering what the best configuration of started processes
is.

At the moment, the FSIU box has 1GB of RAM, and I am starting 6 daemons
each with 100MB of memory (-m 100). I have tried to play around with the
settings to try and find a decent configuration, and see that there are
significant performance differences between them.

Is there a rule of thumb as to how to approach this? Is it better to
start a single server with 500MB or 5 servers with 100MB each? Is it
better to assign smaller chunks of memory or larger? At the moment, this
is in a dev/test environment, and in future we will need to
productionise it, so this will become an issue that needs to be properly
documented. In the prod environment, however, I will get a dedicated
memcached server to handle the caching, but the issue still remains...

Any advice would be greatly appreciated! I have tried to google this,
but come up with conflicting results from different areas...

--Paul

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