Re: Announcing GWT 2.1

When targeting App Engine it isn't developer productivity I am so concerned about but rather user experience as well as cascading failures caused by an initial request failure should the additional time required to fire up Spring DI cause the initial request to go over the allotted total time as per the request quota; Google will throttle back starting up new servers to service requests. Like I said previously, this causes cascading failures.

My mantra for targeting App Engine is Lean & Mean!
 
Jeff

On Mon, Nov 1, 2010 at 1:32 AM, Stephen Haberman <stephen@exigencecorp.com> wrote:

Hi Shawn,

Thanks for the links.

Moving off JDO and Spring MVC (the web framework, not DI) seemed to be
the biggest startup time wins, which is in line with my assertion that
DI itself is not typically the bottleneck.

That being said, the streamhead link:

> http://www.streamhead.com/google-appengine-java-loading-request-analysis/

Was the most interesting because he truly did DI/no-DI comparison
(trusting his approach anyway), and saw base DI adding 1s overhead.

That is more than I would have guessed, but given it's Spring, I guess
I can believe it.

I do enjoy seeing startup time highlighted--way too many pointy haired
managers (or architects) don't think 10s+, 30s+, 60s+ app startups times
affect their developers' productivity. It's terribly frustrating.

Thanks again,
Stephen

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