Igor Chudov wrote:
I switched my main site algebra.com to new mod_perl
last weekend. It has to handle about 3-4 http requests
per second.


First thing that I noticed was that process memory
growth has stopped.


Second thing that I noticed was that load average went
down from about 0.3 to about 0.1. (I run some other
stuff on my server also, lots of mail handling).

I am curious, just what did you guys do to get to this
point? In any case, great job!

Did you switch from mp-1.xx, Igor? If so, mp2.0 is a complete rewrite, with lots of optimisations done based on the lessons learned from mp1, 99.9% of which were designed/implemented by Doug MacEachern. Some of those optimizations do things that normal perl users aren't permitted to do (bypassing public APIs), therefore it's essential to constantly ensure that mp2 continues to work under newer perl versions.


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