Actually, our app (spont.appspot.com) has been seeing elevated latency as well in the last two weeks. The code has not changed at all in those two weeks.
-M On Sep 18, 4:54 am, "Nick Johnson (Google)" <[email protected]> wrote: > Hi Brandon, > What is your App ID? > > > > > > On Fri, Sep 18, 2009 at 8:46 AM, Brandon Thomson <[email protected]> wrote: > > > I get bursty periods of very high request latency, with increasing > > frequency over the last few weeks, which last from seconds to hours. > > Usually the elevated latencies are in the 3-6s range but sometimes it > > goes up into the 20-30s range. For example, here are some logs from a > > few minutes ago: > > > 09-18 12:23AM 46.511 /checkStatus 500 2906ms 105cpu_ms > > 8api_cpu_ms 0kb Pingdom.com_bot_version_1.4_(http:// > >www.pingdom.com/),gzip(gfe),gzip(gfe) > > 09-18 12:23AM 46.511 /checkStatus 500 2906ms 105cpu_ms > > 8api_cpu_ms 0kb Pingdom.com_bot_version_1.4_(http:// > >www.pingdom.com/),gzip(gfe),gzip(gfe) > > 09-18 12:23AM 46.360 /stats 200 2771ms 105cpu_ms 8api_cpu_ms 5kb > > w3m/0.5.2,gzip(gfe),gzip(gfe) > > 09-18 12:23AM 46.118 /admin/tick 200 2706ms 113cpu_ms > > 16api_cpu_ms 0kb Python-urllib/2.5,gzip(gfe),gzip(gfe) > > 09-18 12:23AM 43.878 /admin/tick 200 3825ms 113cpu_ms > > 16api_cpu_ms 0kb Python-urllib/2.5,gzip(gfe),gzip(gfe) > > 09-18 12:23AM 41.639 /admin/tick 200 4983ms 113cpu_ms > > 16api_cpu_ms 0kb Python-urllib/2.5,gzip(gfe),gzip(gfe) > > 09-18 12:23AM 41.603 /stats 200 4602ms 105cpu_ms 8api_cpu_ms 5kb > > w3m/0.5.2,gzip(gfe),gzip(gfe) > > 09-18 12:23AM 41.603 /stats 200 4602ms 105cpu_ms 8api_cpu_ms 5kb > > w3m/0.5.2,gzip(gfe),gzip(gfe) > > 09-18 12:23AM 39.401 /admin/tick 200 4826ms 113cpu_ms > > 16api_cpu_ms 0kb Python-urllib/2.5,gzip(gfe),gzip(gfe) > > 09-18 12:23AM 39.401 /admin/tick 200 4826ms 113cpu_ms > > 16api_cpu_ms 0kb Python-urllib/2.5,gzip(gfe),gzip(gfe) > > 09-18 12:23AM 37.158 /admin/tick 200 4800ms 113cpu_ms > > 16api_cpu_ms 0kb Python-urllib/2.5,gzip(gfe),gzip(gfe) > > > Pingdom is pinging from all over the globe and sees the problem so it > > is definitely on the App Engine side. > > Can you elaborate on this? > > > > > Drilling down into my logs: Even when the requests are taking 6s+ to > > return, from my first logging statement at the very top of my python > > file to the last logging statement at the end of my request handler is > > only 500ms of real time. So, I don't know where exactly the issue is, > > but it doesn't seem to be inside my code. > > What imports, other than 'logging' are you doing before your first logging > statement? > > > > > These requests all have < 200ms of latency most of the time (although > > the bad behavior has gotten increasingly frequent lately). > > > I thought this might be related to the problems the Django folks are > > having with DeadlineExceeded errors... See > >http://code.google.com/p/googleappengine/issues/detail?id=1695and > > many other discussion threads linked therein. > > -- > Nick Johnson, Developer Programs Engineer, App Engine > Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration Number: > 368047 --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
