Hi list, I'm debugging a very strange issue, where *something* is hanging up on the client.
We're seeing this in the log whenever it happens: Oct 4 13:46:27 bb10 haproxy[14480]: 97.89.249.238:28856 [04/Oct/2012:13:38:58.282] ssl servers-git/bb05 75/0/0/-1/+449030 -1 +0 - - CH-- 391/275/9/0/0 0/0 "POST /Envoc/brdnug.git/git-receive-pack HTTP/1.1" Oct 4 13:46:47 bb10 haproxy[14480]: 199.16.190.194:29765 [04/Oct/2012:13:46:29.173] ssl servers-hg/bb12 20/0/0/-1/+18450 -1 +0 - - CH-- 380/262/12/0/0 0/0 "POST /qlovi/qlovi2?cmd=unbundle HTTP/1.1" On the client, it shows "An established connection was aborted by the software in your host machine". It happens sporadically, and at random times during the stream of data. It always happens on POST requests. It also does not seem to coincide with any of the timeouts, as it can take 5 seconds, or 5 minutes for it to happen. I should also point out, it seems to mainly happen for people with high latency. Reading the docs, the "CH--" is said to indicate: The timeout client stroke while waiting for client data during a POST request. This is sometimes caused by too large TCP MSS values for PPPoE networks which cannot transport full-sized packets. It can also happen when client timeout is smaller than server timeout and the server takes too long to respond. This seems to say that the *client* hangs up, not the server. Client timeout is 5000 seconds, and the server timeout is 1 hour. Here's the configuration: global daemon maxconn 10000 tune.bufsize 24576 defaults log global timeout connect 500s timeout client 5000s timeout server 1h frontend ssl bind 127.0.0.1:8080 accept-proxy option httplog option logasap mode http errorfile 503 /etc/haproxy/503.http option http-server-close timeout http-keep-alive 5000 default_backend servers-ssl backend servers-ssl mode http log global option abortonclose option forwardfor except 127.0.0.0/8 option forceclose […backends...] I'm at a loss for why this is happening. If anyone could shed any light on this, I'd highly appreciate it. Jesper

