Well, then you can save at most 1 second by changing the
program to be both mod_perl (or something similar) aware,
and by using some database connection pooling mechanism.
You might be able to save a little on the database work
by using different indices or a different layout. But that
also saves you at most 2 seconds.
The majority of the possible savings will be from changing
the code. But you say you can't make major modifications.
There isn't a magical wand you can wave that instantly makes
all programs faster. So, I'd say, your task is impossible.
Abigail
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