[Catalyst] Catalyst 5.9007 / memcache /high cpu

Toby Corkindale toby at dryft.net
Mon Feb 20 02:03:49 GMT 2012


Ah, I don't know then.

Was just going to say that Cache::Memcached uses AnyEvent under the
hood, and maybe that was interfering with apache's event loop if you
were using that model.

On 17 February 2012 12:48, Todd Benge <todd.benge at trackvia.com> wrote:
> We're using PreFork.
>
> Sent from my iPhone
>
> On Feb 16, 2012, at 6:29 PM, Toby Corkindale <toby at dryft.net> wrote:
>
>> On 17 February 2012 11:16, Todd Benge <todd.benge at trackvia.com> wrote:
>>> Hi,
>>>
>>> We recently updated our web servers to Catalyst 5.9007 with Perl 5.12.
>>>
>>> After the upgrade, we've consistently seen very high cpu on the machines >
>>> 90%.  After much looking, it appears that the apache threads are stuck in
>>> Cache::Memcached disconnecting.
>>
>> Which Apache model are you using? Prefork, worker threads, events?
>>
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