MESSAGE
| DATE | 2021-03-19 |
| FROM | Gazzali Jaleel
|
| SUBJECT | Re: [Hangout - NYLXS] Moving ExecCGI to mod_perl - performance and
|
Porting code from CGI to mod_perl is a fun project.
This is a late reply to your original post but wanted to point out an
excellent resource - the Practical mod_perl book. The link for the book
on the mod_perl site (perl.apache.org) is broken but you can find it at
https://modperl2book.org/mp1/. It was written when mod_perl 1 was in use
but the concepts explained are still valid. Be aware there was some
renaming in mod_perl 2. For example, Apache::Registry became
ModPerl::Registry.
Chapter 6, "Coding with mod_perl in mind" is full of good stuff about
what to watch out for as you refactor your code for mod_perl, including
the problem with __DATA__ that you had (from a later post). In fact, the
whole book is a great read. I highly recommend skimming through it and
reading in detail as you see fit.
On 2/6/2021 4:59 PM, Steven Haigh wrote:
> Hi all,
>
> So for many years I've been slack and writing perl scripts to do various
> things - but never needed more than the normal apache +ExecCGI and
> Template Toolkit.
>
> One of my sites has become a bit more popular, so I'd like to spend a
> bit of time on performance. Currently, I'm seeing ~300-400ms of what I
> believe to be execution time of the script loading, running, and then
> blatting its output to STDOUT and the browser can go do its thing.
>
> I believe most of the delay would be to do with loading perl, its
> modules etc etc
>
> I know that the current trend would be to re-write the entire site in a
> more modern, daemon based solution - and I started down the Mojolicious
> path - but the amount of re-writing to save 1/3rd of a second seems to
> be excessive
>
> Would I be correct in thinking that mod_perl would help in this case?
>
> I did try a basic test, but I have a 'use functions' in all my scripts
> that loads a .pm with some global vars and a lot of common subs - and
> for whatever reason (can't find anything on Google as to why), none of
> the subs are recognised in the main script when loaded via ModPerl::PerlRun.
>
> So throwing it out to the list - am I on the right track? wasting my
> time? or just a simple mistake?
>
> --
> Steven Haigh 📧 netwiz-at-crc.id.au 💻
> https://www.crc.id.au
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