I’ve figured I would find answers to this in the archive, but have been unable
to. So, I appreciate the time.
I am setting up an haproxy instance in front of some tomcat instances. As a
test, I ran ab against one of the tomcat instances directly with an increasing
number of concurrent connections. I then repeated the same test with haproxy
fronting 4 tomcat servers. I was hoping to see that the haproxy setup would
perform a higher number of requests per second and hold that higher number with
increasingly high traffic. Unfortunately, it did not.
Hitting the tomcat servers directly, I was able to get in excess of 3700 rqs/s.
With haproxy in front of that tomcat instance and three others (using
roundrobin), I never surpassed 2500. I also did not find that I was able to
handle an increased amount of concurrency (both started giving errors around
20000).
I have tuned the tcp params on the linux side per the suggestions I have seen
on here. Are there any other places I can start to figure out what I have wrong
in my configuration??
Thanx,
LES
———
haproxy.cfg
global
#log loghost local0 info
maxconn 500
nbproc 4
stats socket /tmp/haproxy.sock level admin
defaults
log global
clitimeout 60000
srvtimeout 30000
contimeout 4000
retries 3
option redispatch
option httpclose
option abortonclose
listen stats 192.168.60.158:8081
mode http
stats uri /stat #Comment this if you need to specify diff
stat path for viewing stat page
stats enable
listen erp_cluster_https 0.0.0.0:81
mode http
balance roundrobin
option forwardfor except 0.0.0.0
reqadd X-Forwarded-Proto:\ https
cookie SERVERID insert indirect
server tomcat01-instance1 192.168.60.156:8080 cookie A check
server tomcat01-instance2 192.168.60.156:18080 cookie A check
server tomcat02-instance1 192.168.60.157:8080 cookie A check
server tomcat02-instance2 192.168.60.157:18080 cookie A check
