> server webapp01-101 10.2.0.3:8101 minconn 1 maxconn 5 check > inter 1s fastinter 200 rise 1 fall 1 > server webapp01-102 10.2.0.3:8102 minconn 1 maxconn 5 check > inter 1s fastinter 200 rise 1 fall 1 > ( etc, for 80 instances over 5 servers)
I have had strange problems when minconn < maxconn (using roundrobin), once minconn is reached by all the servers. Not certain enough to say what's wrong or if it's a bug, but you may want to try setting minconn to 5 and see if it behaves differently. Using balance leastconn, I don't think minconn should make any difference anyways unless you have some servers with a different value, and in that case you could probably use weight.

