1.2.4 problems with high concurrency, getting off by a request

dormando dormando at rydia.net
Mon Jan 28 05:09:15 UTC 2008


Paul Scott wrote:
> On Sun, 2008-01-27 at 20:56 -0800, dormando wrote:
>> First I've heard of this... I'm sure we'd love to have some data and
>> maybe something to help reproduce this.
>>
> 
> I too had an issue similar to this using the PHP PECL memcache client,
> but it was due to my own stupidity. I was running multiple sites from a
> single memcache cluster and I forgot to differentiate the keys that were
> being used by each app server. This resulted in each site sometimes
> (spuriously) getting another site's data and vice versa! Duh! What a
> brain donor!
> 
> Anyways, I also spent some wasted time looking through and adding
> debugging lines to the client being used only to realise that I am a
> moron.

Hmm. As described the issue sounds a little different. He's getting
responses out of sync. Still, I'm not even sure where in the code this
could happen. I'm more likely to blame it on a client issue, but we'll
need data to know for sure.

-Dormando


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