Hi, i try to play with that, but i’m a little confused with the behaviour.
In my test, i use alternatly haproxy upgrade and worker reload (via USR2) start with upgrade: # /usr/sbin/haproxy -f /var/lib/haproxy/ssl/ssl.cfg -p /var/run/haproxy_ssl.pid -D -W -n 131072 -L ssl_1 -x /var/run/haproxy/ssl.sock1 -x /var/run/haproxy/ssl.sock2 -sf `cat /var/run/haproxy_ssl.pid` [ALERT] 166/165607 (13616) : Current worker 13618 left with exit code 0 [ALERT] 166/165607 (13616) : Current worker 13617 left with exit code 0 [WARNING] 166/165607 (13616) : All workers are left. Leaving... (0) # ps auxwww |grep ssl root 13635 0.0 0.0 79132 776 pts/0 S 16:59 0:00 /usr/sbin/haproxy -f /var/lib/haproxy/ssl/ssl.cfg -p /var/run/haproxy_ssl.pid -D -W -n 131072 -L ssl_1 -x /var/run/haproxy/ssl.sock1 -x /var/run/haproxy/ssl.sock2 -sf 13617 13618 haproxy 13636 0.0 0.0 79132 940 ? Ss 16:59 0:00 /usr/sbin/haproxy -f /var/lib/haproxy/ssl/ssl.cfg -p /var/run/haproxy_ssl.pid -D -W -n 131072 -L ssl_1 -x /var/run/haproxy/ssl.sock1 -x /var/run/haproxy/ssl.sock2 -sf 13617 13618 haproxy 13637 0.0 0.0 79132 940 ? Ss 16:59 0:00 /usr/sbin/haproxy -f /var/lib/haproxy/ssl/ssl.cfg -p /var/run/haproxy_ssl.pid -D -W -n 131072 -L ssl_1 -x /var/run/haproxy/ssl.sock1 -x /var/run/haproxy/ssl.sock2 -sf 13617 13618 seems ok, try to reload via USR2 on master. first note: the pid of master is not log in /var/run (only childrens) and i don’t see any option to set it in a file (to use it in a script) # kill -USR2 13635 # [WARNING] 166/165947 (13635) : Reexecuting Master process [WARNING] 166/170818 (13635) : Former worker 13636 left with exit code 0 [WARNING] 166/170818 (13635) : Former worker 13637 left with exit code 0 # ps auxwww |grep ssl root 13635 0.0 2.1 79132 44424 pts/0 S 16:59 0:00 /usr/sbin/haproxy -f /var/lib/haproxy/ssl/ssl.cfg -p /var/run/haproxy_ssl.pid -D -W -n 131072 -L ssl_1 -x /var/run/haproxy/ssl.sock2 -x /var/run/haproxy/ssl.sock2 -sf 13636 13637 13617 13618 haproxy 13652 0.0 0.0 79132 1188 ? Ss 17:08 0:00 /usr/sbin/haproxy -f /var/lib/haproxy/ssl/ssl.cfg -p /var/run/haproxy_ssl.pid -D -W -n 131072 -L ssl_1 -x /var/run/haproxy/ssl.sock2 -x /var/run/haproxy/ssl.sock2 -sf 13636 13637 13617 13618 haproxy 13653 0.0 0.0 79132 1176 ? Ss 17:08 0:00 /usr/sbin/haproxy -f /var/lib/haproxy/ssl/ssl.cfg -p /var/run/haproxy_ssl.pid -D -W -n 131072 -L ssl_1 -x /var/run/haproxy/ssl.sock2 -x /var/run/haproxy/ssl.sock2 -sf 13636 13637 13617 13618 root 13655 0.0 0.0 11124 696 pts/0 S+ 17:08 0:00 grep ssl I now see -x /var/run/haproxy/ssl.sock2 twice (sock1 is lost) and -sf have 4 pids instead of 2. one last: # haproxy -x Segmentation fault ++ Manu
