I'm using Automatic Scaling. Sorry, in my first post I did not upload stack traces. Check these below
<https://lh3.googleusercontent.com/--gXFV6gA5JI/Wx97MMqH8bI/AAAAAAAACnY/duFBWRRYrkw8PVoUteTJpXtfU5X2W7AJACLcBGAs/s1600/datastore-trace-report.PNG> Here is RPCs. And can you please what RPCs and LATENCY time mean here ? <https://lh3.googleusercontent.com/-fSJC0V-Sgnw/Wx97b2kYhDI/AAAAAAAACng/eO6ARGQKGb8KYpnUpiheFVvZmSCUKyZAwCLcBGAs/s1600/rpc.PNG> Expanding trace for most user URI. <https://lh3.googleusercontent.com/-XYB6E0iU7zA/Wx97pSp0fYI/AAAAAAAACnk/9N0JTDPkVZ86RSyvi_y1Gt4Bj2Nu4mTewCLcBGAs/s1600/most%2Bused.PNG> Here is trace detail of user request that I mention in my question, if you see it fetch from memory but still function take around 2 sec <https://lh3.googleusercontent.com/-dvGOxd_ryaI/Wx97-GAcUUI/AAAAAAAACnw/tT79g8953bE9uBlpGrbQcdGoYlMaeIAigCLcBGAs/s1600/user1.PNG> -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at https://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/ce9ab9e8-cbbb-4382-8164-04783634ae41%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
