Le lundi 31 mars 2014 à 10h45, « Willy Tarreau » a écrit : > On Thu, Mar 27, 2014 at 08:57:09PM -0400, Rajat Chopra wrote: > > Hi! > > This solution very much solves the problem that I have been facing i.e. > > large number of acl rules causing latency in requests. Been in discussions > > separately about it and today I got a chance to test out this patch. I > > report that it works great! I have been able to route 150k backends with > > this and the latency added because of the dynamic lookup is in order of > > microseconds (compared to 24ms earlier). > > > > > > The usage 'use_backend bk_%[hdr(Host)] if TRUE' works for my use-case but > > originally I was wondering if one could do a map based lookup for the > > backend. > > As posted here : > > http://stackoverflow.com/questions/22025412/how-to-use-thousands-of-backends-in-haproxy-is-the-new-map-feature-useful-for-t > > > > Most of the issues in the above question are now solved, but I tested this > > with the patch -> > > use_backend bk_%[hdr(Host), map(host_to_backend_map.file)] if TRUE > > > > And it does not work. I am not yet familiar with code to determine why this > > does not work. Again, the current proposal works well for me but an > > enhancement should probably consider using maps within dynamic lookup. > > > > +1 for the patch. > > OK so in the absence of any other comment, I just merged it.
Thanks Willy for advices and for the merge ! -- Bertrand Jacquin Ingénieur technique Tel: +33 1 30 67 60 65 GSM: +33 6 71 01 70 30 http://pom-monitoring.com *POM Monitoring*, Pilotage de la performance du Systeme d'Information
