This thread is somewhat quiet today, but we (appid steprep) are still seeing lots of time outs. Running at about 7 QPS when this happened:
09-24 02:37PM 57.365 /_ah/queue/deferred 500 10021ms 09-24 02:37PM 51.017 /_ah/queue/deferred 500 10011ms 09-24 02:37PM 47.446 /_ah/queue/deferred 500 10013ms 09-24 02:37PM 47.266 /_ah/queue/deferred 500 10010ms 09-24 02:37PM 45.304 /_ah/queue/deferred 500 10039ms 09-24 02:37PM 44.501 /_ah/queue/deferred 500 10010ms 09-24 02:37PM 42.179 /_ah/queue/deferred 500 10009ms 09-24 02:37PM 42.014 /_ah/queue/deferred 500 10029ms 09-24 02:35PM 18.229 /_ah/queue/deferred 500 10031ms 09-24 02:35PM 16.249 /_ah/queue/deferred 500 10069ms 09-24 02:35PM 15.662 /_ah/queue/deferred 500 10065ms 09-24 02:35PM 13.913 /_ah/queue/deferred 500 10003ms 09-24 02:35PM 13.520 /_ah/queue/deferred 500 10021ms 09-24 02:35PM 11.282 /_ah/queue/deferred 500 10087ms 09-24 02:35PM 10.238 /_ah/queue/deferred 500 10003ms 09-24 02:35PM 09.414 /_ah/queue/deferred 500 10094ms 09-24 02:34PM 05.098 /_ah/queue/deferred 500 29954ms 09-24 02:33PM 58.846 /_ah/queue/deferred 500 29576ms 09-24 02:34PM 10.829 /_ah/queue/deferred 500 10014ms 09-24 02:34PM 10.764 /_ah/queue/deferred 500 10042ms 09-24 02:34PM 09.730 /_ah/queue/deferred 500 10026ms 09-24 02:34PM 09.384 /_ah/queue/deferred 500 10003ms 09-24 02:34PM 09.339 /_ah/queue/deferred 500 10011ms 09-24 02:34PM 08.879 /_ah/queue/deferred 500 10081ms 09-24 02:34PM 07.925 /_ah/queue/deferred 500 10026ms 09-24 02:34PM 06.968 /_ah/queue/deferred 500 10001ms 09-24 02:34PM 04.180 /_ah/queue/deferred 500 10058ms 09-24 02:34PM 02.697 /_ah/queue/deferred 500 10053ms j On Sep 24, 12:51 pm, "Ikai Lan (Google)" <[email protected]> wrote: > Thanks James, that's really useful information. Did you post how many QPS > your application does? > > -- > Ikai Lan > Developer Programs Engineer, Google App Engine > Blogger:http://googleappengine.blogspot.com > Reddit:http://www.reddit.com/r/appengine > Twitter:http://twitter.com/app_engine > > > > On Fri, Sep 24, 2010 at 2:48 PM, James Saull <[email protected]> wrote: > > Even on Python pages using Django templates (such my "About" page that > > did not access anything (e.g. memcache or db) I still had the dreaded > > failures. Sporadic too. I'd be clicking around the app briskly with no > > issues and then a few minutes later it would just return 500. All URLs > > on my site require Admin/Login at the moment as it is not released and > > therefore gets very low traffic - just me testing. Whilst all this was > > going on the dashboard access was fine and I could use the dashboard's > > data viewer page no problem either. > > > Here is a successful get for a URL that does use memcache and db: > > 09-21 11:22PM 48.003 /food/view 200 68ms 79cpu_ms 3kb Mozilla/5.0 > > > but often got: > > > 09-23 01:27AM 52.163 /food/view 500 10011ms 0cpu_ms 0kb.... > > 09-22 07:56AM 06.435 /food/view 500 10173ms 0cpu_ms 0kb Mozilla/5.0 > > 09-22 07:55AM 38.587 /food/view 500 27768ms 0cpu_ms 0kb Mozilla/5.0 > > 09-22 07:22AM 05.410 /food/view 500 10009ms 0cpu_ms 0kb Mozilla/5.0 > > 09-22 07:21AM 55.090 /food/view 500 10069ms 0cpu_ms 0kb Mozilla/5.0 > > 09-21 03:12PM 43.961 /food/view 500 10413ms 0cpu_ms 0kb Mozilla/5.0 > > 09-21 03:06PM 45.757 /food/view 500 10036ms 0cpu_ms 0kb Mozilla/5.0 > > 09-21 01:10AM 21.571 /food/view 302 2ms 0cpu_ms 0kb Mozilla/5.0 > > > Request was aborted after waiting too long to attempt to service your > > request. This may happen sporadically when the App Engine serving > > cluster is under unexpectedly high or uneven load. If you see this > > message frequently, please contact the App Engine team. > > > Even the simple About page that is just a django template: > > 09-23 07:19AM 20.750 /content/about 200 82ms 0cpu_ms > > 09-23 02:54AM 27.894 /content/about 500 10002ms 0cpu_ms 0kb Mozilla/ > > 5.0 > > 09-23 01:57AM 00.374 /content/about 200 78ms 0cpu_ms > > 09-23 12:59AM 54.452 /content/about 500 10085ms 0cpu_ms 0kb Mozilla/ > > 5.0 > > 09-23 12:32AM 26.253 /content/about 200 4597ms 20cpu_ms 2kb Mozilla/ > > 5.0 > > 09-21 03:07PM 12.443 /content/about 500 10188ms 0cpu_ms 0kb Mozilla/ > > 5.0 > > > Request was aborted after waiting too long to attempt to service your > > request. This may happen sporadically when the App Engine serving > > cluster is under unexpectedly high or uneven load. If you see this > > message frequently, please contact the App Engine team. > > > HTH? > > > -- > > You received this message because you are subscribed to the Google Groups > > "Google App Engine" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]<google-appengine%2Bunsubscrib > > [email protected]> > > . > > For more options, visit this group at > >http://groups.google.com/group/google-appengine?hl=en. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
