I have an haproxy 1.5 server set up in tcp mode connecting to three backend
postfix servers. The trouble is some of our groupmail clients are experiencing
sudden jumps in Tt:
Jun 2 08:01:44 localhost haproxy[976]: 139.182.111.139:58685
[02/Jun/2017:08:01:43.123] ft_smtp bk_postfix/mailcampaign2 1/0/971 1253 --
6/6/6/1/0 0/0
Jun 2 08:01:44 localhost haproxy[976]: 139.182.111.139:58663
[02/Jun/2017:08:01:43.200] ft_smtp bk_postfix/mailcampaign3 1/0/925 1253 --
5/5/5/2/0 0/0
Jun 2 08:02:30 localhost haproxy[976]: 139.182.111.139:58688
[02/Jun/2017:08:01:43.997] ft_smtp bk_postfix/mailcampaign2 1/0/46106 441 --
8/8/8/2/0 0/0
Jun 2 08:02:30 localhost haproxy[976]: 139.182.111.139:58689
[02/Jun/2017:08:01:44.028] ft_smtp bk_postfix/mailcampaign3 1/0/46076 441 --
7/7/7/2/0 0/0
Are there any suggestions for improving my HAProxy config?
global
log 127.0.0.1 local2
chroot /var/lib/haproxy
pidfile /var/run/haproxy.pid
maxconn 4000
user haproxy
group haproxy
daemon
stats socket /var/lib/haproxy/stats
frontend ft_smtp
bind 0.0.0.0:25
mode tcp
no option http-server-close
timeout client 1m
log global
option tcplog
default_backend bk_postfix
frontend ft_submission
bind 0.0.0.0:587
mode tcp
no option http-server-close
timeout client 1m
log global
option tcplog
default_backend bk_postfix
backend bk_postfix
mode tcp
no option http-server-close
log global
option tcplog
timeout server 1m
timeout connect 5s
server mailcampaign1 139.182.75.70:10024 send-proxy
server mailcampaign2 139.182.75.80:10024 send-proxy
server mailcampaign3 139.182.75.78:10024 send-proxy
---
Chad Cordero
Information Technology Consultant
Enterprise & Cloud Services
Information Technology Services
California State University, San Bernardino
5500 University Pkwy
San Bernardino, CA 92407-2393
Main Line: 909/537-7677
Direct Line: 909/537-7281
Fax: 909/537-7141
http://support.csusb.edu/
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