Thanks! That worked great. I'm using dev17, but I'll upgrade to 18.
Why is the comma needed before the semi-colon? A blog entry would be great - the documentation was not very detailed around this. WILL On Thu, Apr 4, 2013 at 3:42 AM, Baptiste <[email protected]> wrote: > Hey, > > I'm also late on writing an article on the blog about this as well... > Could you give a try to the configuration below and report to us whether > its working or not? > > simply update the line below in your configuration to: > stick on url_param(SIMULATE_STICKY_SESSION,;) table simulate > > By default, url_param search for a parameter after the question mark (?). > The configuration above overwrite this by looking for your cookie from the > semi-colon (;). > > Note: you must be running a recent 1.5dev haproxy, preferably the dev 18. > > Baptiste > > > > On Thu, Apr 4, 2013 at 12:08 PM, Will Glass-Husain <[email protected]>wrote: > >> Hi, >> >> I've posted a question on Server Fault but as no one has answered I was >> hoping I might be able to get help here. >> >> http://serverfault.com/questions/495049/using-url-parameters-for-load-balancing-with-haproxy >> >> I have a system which is load balancing via a cookie, but I want to use a >> URL parameter as an alternative. (Specifically, I have a front end app >> which does not support cookies). My setup is a little complex - I have a >> multiplayer system and I use a stick table with this cookie to make sure >> different people playing the same game go to the same server. This works >> great, except that the URL parameters don't seem to do anything. This is >> all with haproxy 1.5dev17 >> >> My relevant backend is: >> >> defaults >> log global >> mode http >> option httplog >> option dontlognull >> retries 3 >> option redispatch >> option http-server-close >> >> maxconn 2000 >> contimeout 5000 >> clitimeout 50000 >> srvtimeout 50000 >> >> backend simulate >> option httpchk OPTIONS /simulate/api/status >> stick-table type string len 40 size 5M expire 30m >> stick store-response set-cookie(SIMULATE_STICKY_SESSION) table >> simulate >> stick on cookie(SIMULATE_STICKY_SESSION) table simulate >> stick on url_param(SIMULATE_STICKY_SESSION) table simulate >> >> server app1 10.0.2.11:8080 cookie app1 check inter 10000 >> server app2 10.0.3.11:8080 cookie app2 check inter 10000 >> >> Note that SIMULATE_STICKY_SESSION is generated by my app (based on >> player team). >> >> When I call the URL, I need to pass a jsessionid (so that Tomcat will >> find the correct session). So I am doing >> >> >> http://my.domain.com/myapp/url;SIMULATE_STICKY_SESSION=1918C909D3F30DB09C2F96B75C57D015.app1+jsessionid;jsessionid=1918C909D3F30DB09C2F96B75C57D015.app1 >> >> This doesn't seem to be picking up the sticky session parameter as 50% of >> the time it goes to the wrong server. I tried using the param as a query >> string (after a ? mark) but that didn't work either. What am I doing wrong? >> >> >> Thanks in advance, WILL >> > > -- Forio Online Simulations Will Glass-Husain 415 440-7500x89 [email protected] www.forio.com
