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Editorial Team
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Asked: 2026-06-02T23:36:02+00:00

I improved a lot my code and now all the API run really fast,

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I improved a lot my code and now all the API run really fast, I also added memcache and I have a great hit ratio ..
But sometimes I get meaningless delays.

I attached here the most significant appstats screenshot: more than 20 seconds in total to run 90ms of RPCs; how is it possible? Where should I look to find the origin of those delays?

I am really stuck because I don’t understand what’s happening between the RPCs and I don’t know what else I can do in order to get more informations.

Just a thought: each HTTP call is handled by the same GAE instance, right? Because my instances took a lot of time to warmup .. But I don’t think it is related

BTW: I am coding in Java.

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1 Answer

  1. Editorial Team

    Usually the unaccounted for “hole” in the middle of appstats is your code executing.
    Appstats records every rpc entry and exits and the areas he cannot record are your actual code running.

    Do you have logs for the time in which the application was between those two calls?

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