As i say, it is not yet released, get the snapshot or wait a week. Hervé.
On Thu, 9 Jun 2011 17:43:51 +0800 Igor <[email protected]> wrote: > Can't find 1.4.16 at http://haproxy.1wt.eu/download/1.4/src/ ? > > Bests, > -Igor > > > > 2011/6/9 Hervé COMMOWICK <[email protected]>: > > Hello Matt, > > > > You need to activate logging to see what occurs to your requests, > > you can use "halog" tool (in the contrib folder) to filter out fast > > requests. > > > > Other things you can enable to reduce latency is : > > option tcp-smart-accept > > option tcp-smart-connect > > > > and finally you can test : > > option splice-response > > But this one will be dependent of your kind of traffic. > > > > next release 1.4.16 have some improvements in latency > > (http://www.mail-archive.com/[email protected]/msg05080.html), i > > think you can give it a try, take the daily snapshot for this. > > > > Regards, > > > > Hervé. > > > > On Wed, 8 Jun 2011 23:57:38 -0700 > > Matt Christiansen <[email protected]> wrote: > > > >> Hello, > >> > >> I am wanting to move to HAProxy for my load balancing solution. > >> Over all I have been greatly impressed with it. It has way more > >> throughput and can handle way more connections then our current LB > >> Solution (nginx). I have been noticing one issue in all of our > >> tests though, it seems like in the TP99.9 (and greater) of > >> response times is much MUCH higher then nginx and we have a lot of > >> outliers. > >> > >> Our test makes a call to the VIP and times the time it takes to > >> receive the data back then pauses for a sec or two and makes the > >> next response. In both of the sample results below I did 2000 > >> requests. > >> > >> HAProxy > >> > >> Average: 39.71128451818 > >> Median: 29.4217891182 > >> tp90: 67.48199012481 > >> tp99: 313.29083442688 > >> tp99.9: 562.318801879883 > >> Over 500ms: 10 > >> Over 2000ms: 0 > >> > >> nginx > >> > >> Average: 69.6072148084641 > >> Median: 59.2541694641113 > >> tp90: 87.6350402832031 > >> tp99: 112.42142221222 > >> tp99.9: 180.88918274272 > >> Over 500ms: 0 > >> Over 2000ms: 0 > >> > >> So as you can see a big difference in the TP99.9 and a big > >> difference in the outlier count but the average and median > >> response time are really low. > >> > >> We are running a pretty stock centos 5.6 server install with > >> HAProxy 1.4.15, HAProxy isn't using more then like 4% of the CPU > >> and the System CPU is closer to 12%. > >> > >> I was wondering if you guys had any obvious response time related > >> performance tweaks I can try. If you need more info let me know > >> too. > >> > >> Thanks, > >> Matt C. > >> > > > > > > > > -- > > Hervé COMMOWICK, EXOSEC (http://www.exosec.fr/) > > ZAC des Metz - 3 Rue du petit robinson - 78350 JOUY EN JOSAS > > Tel: +33 1 30 67 60 65 - Fax: +33 1 75 43 40 70 > > mailto:[email protected] > > > > > -- Hervé COMMOWICK, EXOSEC (http://www.exosec.fr/) ZAC des Metz - 3 Rue du petit robinson - 78350 JOUY EN JOSAS Tel: +33 1 30 67 60 65 - Fax: +33 1 75 43 40 70 mailto:[email protected]
