[users@httpd] RewriteMap prg vs cgi performance

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hello,

i'm in doubt whether to use a perl cgi script or a perl program via mod_rewrite because of performance.

the actual processing is handling a client certificate and some xml and returning a base64-encoded string. processing takes less than a second but let's say it takes exactly one second

if the site gets 10 simultaneously requests for a cgi it will start 10 perl interpreters (i guess) and all requests should be handled within a second.

but what happens if the site gets 10 simultaneously requests for a URI that is handled by a perl program via mod_rewrite? like:

  RewriteMap prg:perl_program.pl

i know theres only one perl interpreter started at server startup and it listens on STDIN - but does that mean it will handle the 10 request one by one? i mean, in this example it would appear to take 10 seconds for the last request?

./allan

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