This won't work right in mod_perl by itself since changes to the config package will require a restart of the server which the OP said he didn't want.
What will work is doing the above with Apache::Reload. And to reduce the impact of Apache::Reload on the rest of your modules you can restrict it to just check this one config package.
In reply to Re^2: Caching File-based Config across many sessions
by mpeters
in thread Caching File-based Config across many sessions
by Whiz Kid
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