Redispatch does not work when balance source

@lday wrote:

I have setup a haproxy config file as follow, and try to verify redispatch function, however, when i set the balance algorithm as source, i get 3 retry(from stats web page) and finally get a 503 error, the request does not redspatch to s2 when I kill s1, is anything wrong with my cfg, any helps are appricicated. I am using haproxy 1.6.10

global
# logging to rsyslog facility local3 [err warning info debug]
log 127.0.0.1 local1 notice
log 127.0.0.1 local3 warning
log 127.0.0.1
stats bind-process 4
stats socket /tmp/haproxy.sock mode 0600 level admin

maxconn  51200
ulimit-n 102434
pidfile /var/wd/ehaproxy/haproxy.pid
daemon
nbproc 4
#cpu-map TODO
spread-checks 5
user  haproxy
group haproxy

defaults
log global
mode http # [tcp|http|health]
backlog 10000
#retries 0
retries 3
maxconn 15000
balance roundrobin
errorfile 500 /var/wd/ehaproxy/conf/500.http
errorfile 502 /var/wd/ehaproxy/conf/502.http
errorfile 503 /var/wd/ehaproxy/conf/503.http
errorfile 504 /var/wd/ehaproxy/conf/504.http

no option httpclose
option log-separate-errors
option httplog
option dontlognull
option abortonclose
option redispatch

option forwardfor   # X-Forwarded-For: remote client ip


timeout client          10m
timeout server          10m
timeout connect         1s
#timeout tunnel          10m
timeout http-keep-alive 6m   # ?
timeout queue           1m
timeout check           5s
#timeout http-request    5s

default-server minconn 50 maxconn 5000 inter 80s rise 2 fall 3

listen 0.0.0.0:10910
bind 0.0.0.0:10910
bind-process 1
stats uri /stats

listen 0.0.0.0:10911
bind 0.0.0.0:10911
bind-process 2
stats uri /stats

listen 0.0.0.0:10912
bind 0.0.0.0:10912
bind-process 3
stats uri /stats

listen 0.0.0.0:10913
bind 0.0.0.0:10913
bind-process 4
stats uri /stats

listen sub
bind 0.0.0.0:19192
balance source
server s1 192.168.149.150:22222 weight 4
server s2 192.168.149.150:9192 weight 4

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