Hello, I've been going through haproxy in depth recently, but I can't quite figure out the details with full, min, and maxconn.
First of all, fullconn confuses me, and this example doesn't help > Example : > # The servers will accept between 100 and 1000 concurrent connections each > # and the maximum of 1000 will be reached when the backend reaches 10000 > # connections. > backend dynamic > fullconn 10000 > server srv1 dyn1:80 minconn 100 maxconn 1000 > server srv2 dyn2:80 minconn 100 maxconn 1000 What's the point of the "fullconn 10000" here? Won't the servers already be maxed out at 2000 connections, and already at their respective maximums long before 10000 connections are made? Is using minconn+maxconn+fullconn simply to give finer grained control over resource allocation than you could get with the load-balancing algo + weights? Is there a common use case for minconn, or is it one of those options the majority users never need? Maxconn can be declared in defaults, frontend, listen, under server, and global as well. Does the first limit hit take priority; e.g. if I set "maxconn 10" in global, are my *total* connections for everything limited to 10? Should I set: (global maxconn) >= sum(frontend maxconns) >= sum(server maxconns) Thanks! -jim
