Hi. nginx has got an proxy_read_timeout<http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_read_timeout> parameter that you can change.
On 10 April 2014 19:38, Scott <[email protected]> wrote: > I have started experiencing errors in my nginx log that says "upstream > prematurely closed connection while reading response header from upstream." > Upstream (reverse-proxy to hypnotoad) would be my Mojolicious app I assume. > I have had user reports of gateway errors and I have experienced that as > well. > > The specific app is a Mojolicious/Mango app written to be non-blocking. > The MongoDB server is on the same machine, but I thought under load it may > block so I wrote the app to be non-blocking. It is an online test where at > end of day the overall usage is light, but it can get hit somewhat heavy > during a test. The controller methods during the test each use a Mango read > followed by a Mango write using Mojo::IO::Delay steps so they are > sequential. > > I adjusted nginx and hypnotoad settings but it did not help. I upped the > system ulimit for open files (MongoDB suggestion), but it did not help. I > changed the code back to blocking and the errors greatly reduced (3 an hour > vs 50+), but have not stopped completely. > > *Obviously, I am dangerous.* Was the mango read followed by a write each > within a delay step not the proper use? I have a feeling that at times they > were not sequential (or the read did not occur). And if it still happens > with blocking code, the blocking is causing a timeout? Is there a way to > increase the timeout between nginx and the hypnotoad app? > > Thanks, skiehn > > -- > You received this message because you are subscribed to the Google Groups > "Mojolicious" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/mojolicious. > For more options, visit https://groups.google.com/d/optout. > -- Pelle Research is what I'm doing when I don't know what I'm doing. - Wernher von Braun -- You received this message because you are subscribed to the Google Groups "Mojolicious" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/mojolicious. For more options, visit https://groups.google.com/d/optout.
