The timeout is required because some (old) webapps take quite some time
to generate reports and stuff. I try to remove this global setting and
just apply it for the old webapps.
Thanks for the hint about the logs. I will centralize that in a single
I'm now replacing one nginx by an apache and then wait a few weeks. If
both go down the same time again, the problem is definitively not in the
Posted at Nginx Forum: http://forum.nginx.org/read.php?2,180289,180655#msg-180655