memcached reads are reported as very slow. 10+ seconds.
Tung On Mar 17, 11:07 am, Roch Delsalle <[email protected]> wrote: > what happens when it's full ? > > > > On Tue, Mar 17, 2009 at 5:36 PM, Dustin <[email protected]> wrote: > > > On Mar 17, 10:27 am, tongueroo <[email protected]> wrote: > > > Hi guys, > > > > I was wondering if memcached frees up unused ram after it expires or > > > if it just keeps using the ram in there but invalidates the key. > > > No, it should never free RAM. > > > > Here's the pattern I've been seeing with the memcached. Memcached for > > > us doesnt seem to release memory, it just keeps growing until > > > eventually slowness shows up on our site and then we are required > > > restart the memcached instances and mongrels afterwards because > > > newrelic starts showing that memcached reads are slow. The reason I > > > think that memcached doesnt release memory for us is that it takes us > > > about a week before the 1GB memcached on a slice gets full and our > > > longest expire is 6 hours... > > > It sounds like you're just giving it more memory than you can > > afford. It won't grow (much) beyond what you tell it that it can. If > > 1GB is too big for you, tell it it can only have 512MB. > > -- > ☠ > Roch DELSALLE > 55, rue de Bellechasse. > 75007 Paris > FRANCE > [email protected]
