Huge XXXXXXX.cache.html file

[Phuong Nguyen]

Hi:
I'm developing a small Gwt app with the use of RPC.
When the app run, I notice a file XXXXXX.cache.html file being loaded.
This file is so huge (1.3 MB under DETAILED compilation & 169 kb under
obfuscated compilation).
I didn't find such kind of file on some other Gwt apps, so I guess it
must have something to do with RPC communication.
I wonder what is the necessity of this file? Does this contain my app
logic? Or is it just a layer for rpc communication?

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[kozura]

169k is fairly small and normal size, esp with compression enabled;
detailed compilations shouldn't generally be deployed and are more for
debugging. This page details how to check the amount of space various
components take up:

http://code.google.com/webtoolkit/doc/latest/DevGuideCompileReport.html