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On Tue, 22 Sep 2015, Amit Gupta wrote:
My situation is that the number of mimedefang.pl processes jumps to
about 70 during peak loads (we are processing a couple hundres
messages per minute on average). Our filter file is in need of some
optimizations(since each mimedefang.pl is taking about 125mb of
^^^^^^^
resident memory), but I'm wondering if using embedded perl will help
in this situation. I see you mentioned using embedded perl prevents
forking entire processes.. So does this mean each request is handled
by a thread within the main process instead? So would my RAM
requirements be reduced drastically?
Read Dianne's response about the garbage collector. Unless the script use
very view different values of your loaded data or use weak references, you
will not notice any reduction in long run.
I had SpamAssassin rules allocating about 100MB, the forked children only
shared the C libraries after some time. That's a problem of Perl's way to
handle rereferences to data.
- --
Steffen Kaiser
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