We are getting a lot of 502 errors from haproxy on a server that is not too busy
The logged message shows Jan 23 18:31:01 preview2-stratus-admin-1 haproxy[28352]: 50.196.128.9:54443 [23/Jan/2013:18:29:01.649] node_frontend node_admin/server1 6/0/2/-1/+120043 502 +204 - - SH-- 2/2/0/0/0 0/0 "POST /log/pixgrid/NOSERVERID/2013-01-23T18:07:08.066Z/NODATETME/1/100 HTTP/1.1" What does SH mean here? Our haproxy config: global daemon maxconn 10000 stats socket /var/run/haproxy.stat mode 666 level admin defaults mode http retries 3 timeout connect 6000ms timeout http-request 60000ms timeout client 600000ms timeout server 600000ms option httplog option logasap log global log 127.0.0.1 local0 log 127.0.0.1 local1 notice option httpclose no option checkcache frontend node_frontend bind *:7000 bind *:80 acl is_admin hdr_beg(host) -i <adminhost> use_backend node_admin if is_admin default_backend default backend default mode http server server0 127.0.0.1:7002 maxconn 10 backend node_admin mode http server server0 127.0.0.1:7001 maxconn 150 server server1 10.171.99.144:7001 maxconn 200
