memcached persistent load balancing with an f5 big-ip

Jehiah Czebotar jehiah at
Wed Jun 7 21:24:30 UTC 2006

On 6/6/06, Matthew Kent <mkent at> wrote:
> If you have a f5 big-ip load balancer in your network (running some of
> the more recent software) you can use an iRule to distribute data to a
> pool of memcached servers based on a crc32 of the incoming key. The
> payload will be reexamined for each get/set request, allowing you to
> leave the connection open indefinitely.

I'm curious on how you deal with multi get requests ("get ke1 key2
key3"). Does it just pass them through to one server at random, and
return 1/nth of the results a correct request would (where n is the
number of distributed servers)

Jehiah at

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