Same request, but another query has degraded from 45ms to 846ms: http://247-test.appspot.com/stats/details?time=1263968821144 http://247-test.appspot.com/stats/details?time=1263908256446
thanks, mani On Jan 20, 4:00 pm, mani doraisamy <mdorais...@orangescape.com> wrote: > Sorry. I got the degradation wrong. Datastore degrades from 40ms to > 1283ms. > > thanks, > mani > > On Jan 20, 3:48 pm, mani doraisamy <mdorais...@orangescape.com> wrote: > > > > > Here are the stats for the same request at 05:37 Vs 10:49 on > > 2010-01-19:http://247-test.appspot.com/stats/details?time=1263908256446http://24... > > > It just returns 2 entities. But the datastore query degrades from > > 256ms to 1760ms (6.8x degradation). Memcache also seems to degrade, > > but not as much as datastore. Any suggestions? > > > thanks, > > mani > > > On Jan 19, 4:18 pm, mani doraisamy <mdorais...@orangescape.com> wrote: > > > > Thanks for the link, Danny. This is the best profiling tool i have > > > used. Well done, Guido! > > > > Will get back with the performance data for off-peak Vs peak hours. > > > > thanks, > > > mani > > > > On Jan 17, 9:37 pm, Danny Tuppeny <da...@tuppeny.com> wrote: > > > > > Have you identified what part of your page is taking additional time? > > > > > Guido van Rossum wrote a library called Appstats to help profile time > > > > spent on API calls. I'd recommend setting it up (it works in > > > > production) to see if you can identify where this time is being spent. > > > > > I wrote a short article about Appstats on my blog with some > > > > screenshots showing the sort of data you can get out of it: > > > > >http://blog.dantup.com/2010/01/profiling-google-app-engine-with-appstats > > > > > Hope this helps. > > > > > Danny > > > > > On Jan 16, 8:24 pm, mani doraisamy <mdorais...@orangescape.com> wrote: > > > > > > Recently, we have been running into frequent performance problems, > > > > > especially between 7-10pm IST. Requests that used to take 600ms are > > > > > taking almost 4 secs. > > > > > > - Has anyone faced similar problems recently? > > > > > - What is the limit for memcache per account? How do we find the cache > > > > > expiry pattern? (actual expiry Vs specified expiry) > > > > > > thanks, > > > > > mani
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