David Chandler's Journal of Java Web and Mobile Development

  • David M. Chandler

    Web app developer since 1994 and Google Cloud Platform Instructor now residing in Colorado. Besides tech, I enjoy landscape photography and share my work at ColoradoPhoto.gallery.

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  • Sleepless Nights…

    December 2009
    S M T W T F S
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AppEngine Cold Starts

Posted by David Chandler on December 2, 2009

It appears that some of the startup delay I had previously blamed on GWT may actually have been due to the phenomenon that is popping up on the AppEngine forums lately. In order to conserve resources, AppEngine doesn’t keep your JVM “hot” unless it’s getting a lot of traffic, and it takes a few seconds to swap it back in. The resulting cold start delay, it would appear, is part of the price of “free.”

See this thread for more info.

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