Hi Daniel,
Thanks for the response. We've been using the rack-timeout gem (timeout of
10 seconds) and have been using NewRelic. We can't find any indication that
our app is taking more than 100ms to respond.
Granted, this seems odd. However, the logs and new relic tell the same
story: a dyno will return a response in 50ms and then, 5 seconds later,
heroku will say the dyno has timed out. It's really odd.
Any ideas?
Scott
Scott Messinger *|* Founder, Common Curriculum *|* (360) 904.5947 *|*
@scottmessinger *|* www.commoncurriculum.com
On Fri, Jan 25, 2013 at 10:01 AM, Daniel Doubrovkine dbl...@dblock.orgwrote:
Every single one of these has been a problem with our application. I
suggest using NewRelic, which will instrument the requests and show you
where you're spending time during those requests that time out.
Another idea is to use the https://github.com/kch/rack-timeout gem and
set the timeout somewhere at 20 seconds or so. It will raise an exception
after 20s of a request and you might get a more useful stack.
On Fri, Jan 25, 2013 at 9:39 AM, Scott Messinger
sc...@commoncurriculum.com wrote:
Hi Sebastien,
On our site, we're seeing the same errors without any perceptible cause.
Did you find a fix or a cause for the H12 errors you were seeing?
Scott
On Wednesday, June 27, 2012 10:49:38 AM UTC-4, Sébastien VIAN wrote:
Hi i'm having the same issue basically.
Error H12 (Request timeout) - GET *.herokuapp.com/ dyno=web.1
queue= wait= service=3ms status=503 bytes=0 CRIT
Random request timeout. Monitoring this in New relic I see that after
this kind of error my app is going down for 1 hour or more and then start
work fine again.
I must say that I'm on devellopment so I run the app on a single dyno.(I
tried to scale up to 3 but nothing changed).
althought I'm the only visitor (testor) of my app so there is no way
that I drawning my dyno under requests...
I really don't understand what is going on and the error message are not
helping neither is google
I like heroku very much but this is critical and I'm starting to doubt
wether heroku is a fine solution for production.
Any kind of help would be very much appreciated.
sebastien.
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