Hi Cian, Have you used Appstats to investigate? Perhaps there is some type of cleanup process, maybe by a session library, happening?
Robert On Fri, Feb 25, 2011 at 17:00, Cian Montgomery <[email protected]> wrote: > My app (appid: mr-october, always on) is experiencing lots of problems > with latency problems over the last couple of days. > > For a bunch of the calls to the same action dispatch handler over the > last there hours. > 2011-02-25 12:36:09.581 /reggie/dispatch 200 4829ms 4763cpu_ms > 236api_cpu_ms > 2011-02-25 12:35:31.683 /reggie/dispatch 200 159ms 405cpu_ms > 125api_cpu_ms > 2011-02-25 12:35:16.764 /reggie/dispatch 200 354ms 615cpu_ms > 125api_cpu_ms > 2011-02-25 12:20:37.208 /reggie/dispatch 200 232ms 452cpu_ms > 125api_cpu_ms > 2011-02-25 12:19:28.348 /reggie/dispatch 200 6380ms 4600cpu_ms > 190api_cpu_ms > 2011-02-25 10:47:19.700 /reggie/dispatch 200 171ms 452cpu_ms > 125api_cpu_ms > 2011-02-25 10:47:15.865 /reggie/dispatch 200 141ms 405cpu_ms > 125api_cpu_ms > 2011-02-25 10:47:15.731 /reggie/dispatch 200 385ms 475cpu_ms > 125api_cpu_ms > 2011-02-25 10:37:15.031 /reggie/dispatch 200 177ms 522cpu_ms > 125api_cpu_ms > 2011-02-25 10:36:48.890 /reggie/dispatch 200 3550ms 732cpu_ms > 125api_cpu_ms > > Which is honestly much better then the past couple of days where saw > some times over 30000ms. > > Or these where appengine did not even get to my log statement so I > have no idea what the request was: > 2011-02-23 09:36:35.922 /reggie/dispatch 500 141862ms 1395cpu_ms > 65api_cpu_ms > 2011-02-23 09:00:21.024 /reggie/dispatch 500 102858ms 793cpu_ms > > I can reproduce this behavor just by hitting the same query from the > client, reliably 1 out of about every 20 exections of this action is > over 5 seconds of latency. > > What can be done to address these latency issues? > > Thanks, > > Cian. > > -- > 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. > > -- 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.
