memcached failing under high traffic

Brad Fitzpatrick brad at
Fri Mar 28 18:32:03 UTC 2008

What version of memcached, what options, what platform, etc, etc?

More information the better when it comes to reporting problems or asking
for help.

On Fri, Mar 28, 2008 at 11:05 AM, Benjamin Fonze <benjabcn at> wrote:

> Hello,
> I'm new to the list, I hope my question will make sense!
> I'm trying to switch from eAccelerator to memcached, mainly to be able to
> have a "shared cache" for all servers.
> It works OK with eAccelerator, but having one cache per web server is not
> the best, as I'm adding new machines.
> I tried to use memcached, with a pool of 4 daemons. Using the PHP module.
> But as soon as it gets high traffic, daemons start to fail and don't
> answer properly, most of the time.
> How can I debug this and understand what errors are generated?
> I'm using $memcache->getExtendedStats() which give FALSE for failing
> servers, but I can't get any details.
> Any help is more than welcome!
> Thank you,
> Benjamin.
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