[Tilecache] Cache performance

[Eric Wolf]

I'm trying to boost the speed of our tilecache. Some of the things I am
exploring are:

1. How to get the OS (Ubuntu 11.10 server) to use disk caching better.

2. What file system (and parameters, like block size) is best for a large
tilecache?

3. What are you seeing in benefits by optimizing the tiles? (i.e., reducing
JPG quality, shrinking PNGs)

I did see a noticeable performance increase using MOD_PYTHON but I would
get tiles not rendering in very inconsistent patterns. Fast-CGI was slower
but I get perfect consistency.

-Eric

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Eric B. Wolf                           720-334-7734
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