I've got deadline exceeded errors cased when setting memcache. I've stared the issue and attached my graph. I'm on an HDR app, not M/S
On Tuesday, May 22, 2012 9:57:23 PM UTC-7, Rishi Arora wrote: > > If you guys think this may be because of high memcache API latency, please > star this issue: > http://code.google.com/p/googleappengine/issues/detail?id=7554 > > Although it appears Google is being stubborn about it and has marked this > issue "WontFix", blaming it all on Master/Slave datastore. An issue that > lasts this long can't be simply blamed on M/S. > > On Tue, May 22, 2012 at 11:41 PM, Daniel <[email protected]> wrote: > >> BTW, here's my milliseconds per request chart. The problems started >> about 3 days ago and the data is dramatic.. here's a 7 day graph >> >> >> <https://lh3.googleusercontent.com/-AuVmd45bJwY/T7xqVl-khiI/AAAAAAAAAzc/yOxaoYxWP9s/s1600/skywords.jpg> >> >> >> On Tuesday, May 22, 2012 9:27:05 PM UTC-7, Daniel wrote: >>> >>> For the last 2-3 days I'm seeing the same thing. I've gotten several >>> mails from unhappy users that my game server is too slow.. I don't normally >>> have complaints like this. I'm also seeing Deadline Exceeded errors which >>> I don't normally see. In addition my server costs are over double as >>> well, probably for the same reason. >>> >>> You're not alone.. do you have any leads from Google on this? >>> >>> Daniel >>> >>> On Tuesday, May 22, 2012 8:25:44 PM UTC-7, Eric Ka Ka Ng wrote: >>>> >>>> from around last 12 hours, we see an exceptionally high latency on some >>>> of our gae apps. before requests on average takes 200ms-1000ms. now it can >>>> takes 2000ms - 5000ms. I try to measure the time as local client. like >>>> make >>>> 10 requests, 1-2 times the latency is normal <1s, half of the time is like >>>> 2s-5s, sometimes it even takes 10-20s!! >>>> >>>> as a result, it also doubles the number of instances started by GAE, >>>> and so as the frontend cost. >>>> >>>> does anyone observe similar problem recently, or it's only me? is it >>>> google's infrastructure prb, or anything i can do? if it's google's >>>> infrastructure prb, i dont think it makes sense to transform such bad user >>>> experiences (high latency) into doubling our hosting cost.... >>>> >>>> - eric >>>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "Google App Engine" group. >> To view this discussion on the web visit >> https://groups.google.com/d/msg/google-appengine/-/MJCF02agu5oJ. >> >> 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 view this discussion on the web visit https://groups.google.com/d/msg/google-appengine/-/aV5lK9vm15YJ. 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.
