Practical limit on number of memcached servers in a single pool?

Evert|Rooftop evert at
Tue Oct 24 21:21:08 UTC 2006

For me the number is lower right now..

Apache runs 80 forks, and there are 3 memcache servers, so thats already 
240 connections..

Because every server points to each other, that means there's also 240 
incoming connections for each server..

Well.. that means I still have 65535-480-1024 = 64031 left..


Jehiah Czebotar wrote:
> On 10/24/06, EKC <webmaster at> wrote:
>> What is the practical limit on the number of servers I can have in a
>> memcached pool?
> Your practial limit is going to be the number of socket connections a
> client (or possibly server) can have open at a time
> I'd guess a client or server could easily have a few thousand
> connections open at a time
> I wrote a pooling wrapper[1] for the python memcache client library so
> my app servers keep about 5 connections open to each server (not that
> I had much of a problem to begin with.. but it seemed the right thing
> to do).
> [1]

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