The latency of requests from Brazil are consistently high, even following all page speed advices.
IMO, the _network_ latency is not-so-rarely unacceptable with datacenters just in US. On Aug 3, 2011 3:10 PM, "Ikai Lan (Google)" <[email protected]> wrote: > Patrick, did you follow the page speed advice? The majority of what makes > web sites appear slow is the loading of assets and JavaScript execution. > Steve Souders (the father of web page speed) has been quoted as saying this > can account for up to 90% of web site slowness. > > Obviously, the first time visiting a site where nothing is in the cache or > if you are serving static assets from North America, this will cause the > site to appear slow, but take a look at these best practices the next time > you are testing in Japan. > > -- > Ikai Lan > Developer Programs Engineer, Google App Engine > plus.ikailan.com | twitter.com/ikai > > > > On Wed, Aug 3, 2011 at 4:59 AM, Patrick Poon <[email protected]> wrote: > >> Ikai, >> >> It sure would be great if Google would consider adding regional data >> centers on the roadmap. I live in Boston, but travel to Japan a few >> times a year. Most recently, I stayed in Yokohama for the month of >> June, actively developing and testing my app the entire month. There >> was a noticeable degradation in performance compared to what I >> experience in Boston. Not just after calling my app the first time >> after a period of non-activity, but even after on-going active use. >> >> The latency didn't make my app unusable but it was noticeable enough >> to cause me concern as to how potential customers in Japan might >> perceive the speed of my app. >> >> Cheers, >> >> Patrick >> >> On Aug 2, 2:54 pm, "Ikai Lan (Google)" <[email protected]> wrote: >> > The primary data centers serving App Engine are in North America, >> however, >> > assets and items that are edge cached are served from Google edge caches >> > which are located wherever there are Google data centers. >> > >> > When evaluating page speed, it's typically assets that cause page speeds >> to >> > appear slow: >> > >> > http://stevesouders.com/hpws/rules.php >> > >> > Only dynamic calls to your application logic would be routed to North >> > America. If you follow these rules, websites should still load quickly - >> > there is a fairly large App Engine community in Japan. >> > >> > -- >> > Ikai Lan >> > Developer Programs Engineer, Google App Engine >> > plus.ikailan.com | twitter.com/ikai >> > >> > >> > >> > >> > >> > >> > >> > On Tue, Aug 2, 2011 at 3:30 AM, Simon Knott <[email protected]> >> wrote: >> > > Hi, >> > >> > > As far as I'm aware, the most accurate information the Google staff >> have >> > > divulged is that all data centres are located in North America >> somewhere. >> > >> > > Cheers, >> > > Simon >> > >> > > -- >> > > 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/-/OvHwAZFC9aYJ. >> > >> > > 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. >> >> > > -- > 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.
