There are good reasons to store images (especially small ones) in
databases (and with careful management of headers in your mod_perl).
Some of you have missed inherent problems with the file systems
even balanced heirarchical tree - ones in a shared server
environment which can lead to gross efficiencies - in your cases
you may not be doing multiple deletes - but in the examples I work
with it is not the creation and storage which breaks the file
system, but the requirement to clear our old files before filling
up the file system.
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