I can confirm that too. It's pretty annoying. François
On Saturday, November 24, 2012 1:43:35 AM UTC+1, Per wrote: > > > Hi App Engine team, > > my Pingdom stats for a JSON request that does nothing at all has doubled > (on average) since November 19. > > Since your post-mortem for the recent outage mentions you made a poor > performance config-change on that day, I'm pretty sure it has to do with it: > > * Our app ("small-improvements-hrd") is on a custom domain, and it's on > https > * Appstats confirms that these no-op requests do nothing (except create a > session) and they take some 100 to 200ms to do so > * The time in the log file is shown as 500 to 2500ms though > * And Pingdom consistently shows 200 to 2500ms as well > * Our average per Pingdom was 700ms until November 19, and now it's > 1400ms. > > > > <https://lh3.googleusercontent.com/-z3biVzfKyqk/ULAWzA-2jAI/AAAAAAAAAFM/RZC5_qkkg-E/s1600/Response+Time+Report+noop.png> > > > It's as if one extra roundtrip was added somewhere. Maybe the algorithm > you described in the post-mortem *still* does something very inefficient? > > Just to be sure, our other Pingdom check (which pulls our website front > page) has also doubled. But the no-op is probably more relevant, since it > really does nothing at all except return 1 byte. > > > > > <https://lh5.googleusercontent.com/-7N_St4j2kN0/ULAXJ7FZudI/AAAAAAAAAFU/yBIF62LKHHU/s1600/Response+Time+Report+website.png> > > > > > > Cheers, > Per > > > > > > -- 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/-/C7w76NA9OY4J. To post to this group, send email to google-appengine@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.