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Re^3: Misery: trying to get mod_perl working on Windows 2008by afoken (Abbot)
|on Aug 06, 2012 at 19:32 UTC||Need Help??|
Why are you recommending NOT to run mod_perl?
Well, there are some reasons not to use mod_perl. The main reason is that there is only one Perl interpreter instance (actually, there is one per worker process, cloned around forking the worker process). It runs inside the Apache process. Forking and cloning may cause some minor trouble, but that's rarely a problem. Mostly, this affects DBI, and Apache::DBI knows enough of DBIs internals to handle most of the problem. On Windows, Apache does not fork (as far as I know), but creates threads instead. So, everything runs in a single process.
The real problems are:
So, applications are de facto not isolated from each another, and you can not use operating system permissions to limit access to only one application or to the web server.
Compare with FastCGI:
Of course, because FastCGI runs outside the Apache server, you have some communication overhead. And you can't use all of the Apache internals that mod_perl offers but rarely anyone uses.
Today I will gladly share my knowledge and experience, for there are no sweeter words than "I told you so". ;-)