Hi, On Tue, Jan 26, 2010 at 1:21 PM, Willy Tarreau <[email protected]> wrote: [...] >> * Is there a cleverer way to do it ? I mean : if I have 2000 domains >> hosted on the cluster, it means 2000 ACL and 2000 backend sections : >> Not really easy to maintain... Do I have a generic way to handle >> domains ? > > Right now, there is not. However, I have started to work on a draft > for generic QoS per any criterion relying on the new stickiness code. > That way you could create many classes of limitations and decide whether > a request is subject to that limitation. You could then have limits per > backend, per frontend, per server, and per source IP, header, etc... > > I think I will start doing that for 1.5, as 1.4 is getting very close > to a release, I don't want to break anything now.
Great news ! >> * Is that method really usable for so much domains ? I guess that this >> kind of ACLs will need a *lot* of CPU to handle several hundreds of >> requests by second for the 2000 hosted domains (and also a lot of >> memory ?). > > Indeed it's becoming huge. I think that just hundreds of requests per > second will not be a problem, but it seems to be complicated to manage > and a bit overkill. Ok, we'll make a try with the current configuration (more than 5000 domains : the generated haproxy conf file has a size of 4.3 Mb !), and we'll see if it can be handled by a simple Celeron with 2 Gb of RAM. Fabien
