On Wed, Nov 1, 2023 at 3:55 PM Daniel Ferradal <dferra...@apache.org> wrote: > > > > El mié, 1 nov 2023 a las 8:32, <fica...@seznam.cz> escribió: >> >> Hello everybody. >> >> I use Apache 2.4.37 on Red Hat as balancer for two Tomcat servers. We have >> this configuration of balancer: >> <Proxy balancer://tomcat-cluster> >> BalancerMember https://192.168.1.40:8443 route=TOMCAT_SRV1 timeout=60 >> ping=1ms >> BalancerMember https://192.168.1.50:8443 route=TOMCAT_SRV2 timeout=60 >> ping=500ms >> ProxySet stickysession=JSESSIONID|jsessionid >> ProxySet lbmethod=byrequests >> ProxySet nofailover=off >> </Proxy> >> For testing reasons, I have reduced the ping value to 1 ms for one server. >> >> During test calls Load Balancer Manager shows server status "Init Err" and >> Apache error log shows these errors: >> [Tue Oct 31 17:01:38.075395 2023] [proxy_http:error] [pid 151375:tid >> 140535126157056] (70007)The timeout specified has expired: [client >> xxx.xxx.xxx.xxx:33855] AH01102: error reading status line from remote server >> 192.168.1.40:8443, referer: https://xy >> [Tue Oct 31 17:01:38.075453 2023] [proxy:error] [pid 151375:tid >> 140535126157056] [client xxx.xxx.xxx.xxx:33855] AH00898: Timeout on >> 100-Continue returned by /tomcat, referer: https://xy >> >> But I can still see requests from Apache in the request log of the server >> 192.168.1.40. How do I configure the load balancer to stop sending requests >> to the server 192.168.1.40 for a defined period of time after detecting the >> "Init Err" status and only send them to the other server in the cluster? >> Thank you very much in advance for your help. >> This can be achieved by using the "retry" parameter. Apache will not forward any request to the backend server(which is in error state) until retry timeout expires. By default this value is 60 sec. You may need to adjust it.
https://httpd.apache.org/docs/2.4/mod/mod_proxy.html#balancermember > > "failontimeout" by default is off, you may want to turn it on for your > testing purposes. > > > -- > Daniel Ferradal > HTTPD Project > #httpd help at Libera.Chat --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@httpd.apache.org For additional commands, e-mail: users-h...@httpd.apache.org
