I have maxconn 256 and timeout 5s.
Full configuration below. I don't think there's anything special about it...
Tom
global
daemon
maxconn 256
log localhost local0
defaults
balance source
log global
option log-separate-errors
option tcplog
mode tcp
timeout connect 5000ms
timeout client 360000ms
timeout server 1800000ms
listen stats :9876
mode http
stats enable
stats uri /
listen dicom_104
bind 10.233.20.140:104
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 104 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 104 inter 2000
listen dicom_105
bind 10.233.20.140:105
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 105 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 105 inter 2000
listen dicom_106
bind 10.233.20.140:106
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 106 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 106 inter 2000
listen dicom_107
bind 10.233.20.140:107
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 107 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 107 inter 2000
listen dicom_108
bind 10.233.20.140:108
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 108 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 108 inter 2000
listen dicom_109
bind 10.233.20.140:109
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 109 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 109 inter 2000
listen hl7_2310
bind 10.233.20.140:2310
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 2310 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 2310 inter 2000
listen hl7_2311
bind 10.233.20.140:2311
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 2311 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 2311 inter 2000
listen hl7_2350
bind 10.233.20.140:2350
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 2350 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 2350 inter 2000
listen hl7_2351
bind 10.233.20.140:2351
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 2351 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 2351 inter 2000
listen hl7_2352
bind 10.233.20.140:2352
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 2352 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 2352 inter 2000
listen hl7_2353
bind 10.233.20.140:2353
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 2353 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 2353 inter 2000
listen hl7_2354
bind 10.233.20.140:2354
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 2354 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 2354 inter 2000
listen hl7_2355
bind 10.233.20.140:2355
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 2355 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 2355 inter 2000
listen hl7_2356
bind 10.233.20.140:2356
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 2356 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 2356 inter 2000
listen hl7_2357
bind 10.233.20.140:2357
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 2357 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 2357 inter 2000
listen hl7_2358
bind 10.233.20.140:2358
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 2358 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 2358 inter 2000
listen hl7_2359
bind 10.233.20.140:2359
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 2359 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 2359 inter 2000
listen hl7_2360
bind 10.233.20.140:2360
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 2360 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 2360 inter 2000
listen hl7_2361
bind 10.233.20.140:2361
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 2361 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 2361 inter 2000
listen collaborator_7070
bind 10.233.20.140:7070
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 7070 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 7070 inter 2000
listen collaborator_5222
bind 10.233.20.140:5222
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 7070 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 7070 inter 2000
listen collaborator_5223
bind 10.233.20.140:5223
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 7070 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 7070 inter 2000
listen collaborator_7443
bind 10.233.20.140:7443
balance roundrobin
server 10.233.20.130 10.233.20.130 maxconn 32 check port 7070 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 7070 inter 2000
frontend binary
bind 10.233.20.140:4447,10.233.20.140:7900,10.233.20.140:9080,
10.233.20.140:2762
default_backend binary
frontend https
bind 10.233.20.140:443,10.233.20.140:8443
default_backend https
frontend http
bind 10.233.20.140:80,10.233.20.140:8080
default_backend http
backend binary
balance roundrobin
option httpchk GET /status
server 10.233.20.130 10.233.20.130 maxconn 32 check port 80 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 80 inter 2000
backend https
balance roundrobin
option httpchk GET /status
server 10.233.20.130 10.233.20.130 maxconn 32 check port 80 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 80 inter 2000
backend http
mode http
balance roundrobin
option httpchk GET /status
appsession JSESSIONID len 52 timeout 3h
server 10.233.20.130 10.233.20.130 maxconn 32 check port 80 inter 2000
server 10.233.23.123 10.233.23.123 maxconn 32 check port 80 inter 2000
On Tue, Oct 1, 2013 at 2:23 PM, Baptiste <[email protected]> wrote:
> Hi tom,
>
> Can you share us your configuration?
> HAProxy seems to be queueing the connection (maxconn set to 1??) and
> the timeout queue (setup to 5s in your case??) has expired so the
> connection is not forwarded to the server.
>
> Of course, I want you to send us some comments with your
> configuration, we need to understand why you did configure your
> settings :)
>
> Baptiste
>
>
>
> On Tue, Oct 1, 2013 at 2:18 PM, Tom Huybrechts <[email protected]>
> wrote:
> > Hi all,
> >
> > I'm using haproxy 1.4.23 on Windows Server 2008 to proxy tcp connections
> to
> > a single backend server. Usually this is going well, but occasionally a
> > client has issues: connections get dropped and they are unable to make
> new
> > ones.
> >
> > Investigation of the logs show server-side timeouts:
> >
> > [01/Oct/2013:12:06:10.653] binary binary/<NOSRV> 5015/-1/5015 0 sQ
> > 40/33/33/0/0 0/1
> > [01/Oct/2013:12:06:10.653] binary binary/<NOSRV> 5015/-1/5015 0 sQ
> > 39/32/32/0/0 0/2
> > [01/Oct/2013:12:06:15.934] binary binary/<NOSRV> 5000/-1/5000 0 sQ
> > 42/36/36/0/0 0/1
> > [01/Oct/2013:12:06:17.231] binary binary/<NOSRV> 5062/-1/5062 0 sQ
> > 42/36/36/0/0 0/2
> > [01/Oct/2013:12:06:17.247] binary binary/<NOSRV> 5046/-1/5046 0 sQ
> > 41/35/35/0/0 0/3
> > [01/Oct/2013:12:06:19.856] binary binary/<NOSRV> 5015/-1/5015 0 sQ
> > 40/34/34/0/0 0/4
> > [01/Oct/2013:12:06:19.856] binary binary/<NOSRV> 5015/-1/5015 0 sQ
> > 39/33/33/0/0 0/5
> > [01/Oct/2013:12:06:21.012] binary binary/<NOSRV> 5031/-1/5031 0 sQ
> > 38/32/32/0/0 0/5
> >
> > I have no idea why: the server is not under heavy load.
> >
> > I have a wireshark dump of one such occasion. I expected to at least see
> SYN
> > packets going from haproxy to server in this timeframe, but there where
> > none. In the meanwhile other connections from haproxy to the same server
> > continued without problems.
> >
> > Any hints to what's wrong, or what I can do to investigate further?
> >
> > Tom
> >
>
