Actual Zero-Downtime with HAProxy

Reloading HAProxy configuration without losing requests

Some TCP

Hacking TCP

iptables -I INPUT -p tcp -m multiport —dports 80,443 —syn -j DROP && sleep 0.5 && \
/etc/init.d/haproxy reload;
iptables -D INPUT -p -tcp -m multiport —dports 80,443 —syn -j DROP

I turn beer into software. Be good humans.

I turn beer into software. Be good humans.