MESSAGE
| DATE | 2022-01-02 |
| FROM | Ruben Safir
|
| SUBJECT | Re: [Hangout - NYLXS] Embperl and threaded mpm?
|
From hangout-bounces-at-nylxs.com Sun Jul 10 20:11:17 2022
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Date: Sun, 2 Jan 2022 09:10:37 -0500
From: Ruben Safir
To: Neil Gunton
Cc: "embperl-at-perl.apache.org"
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Subject: Re: [Hangout - NYLXS] Embperl and threaded mpm?
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Is it a good idea to adopt this package and update it?
It wil likely die otherwise
On Mon, Jun 26, 2017 at 11:21:14PM -0700, Neil Gunton wrote:
> Ruben Safir wrote:
> >On 06/26/2017 07:51 PM, Neil Gunton wrote:
> >>richter-at-ecos.de wrote:
> >>>Hi Neil,
> >>>
> >>>Embperl is not working with threaded mpm.
> >>>
> >>>Preloading all your perl code saves a lot of memory due to code sharing.
> >>>
> >>>The main issue is, that you have to make sure, not to open any file or
> >>>database connection or similar in the preload code, because that will
> >>>be shared too, which does not work
> >>
> >>Thanks, Gerald. So, just to be clear, what my preload routine in
> >>startup.pl does is the following. Maybe you can confirm that I'm doing
> >>it right.
> >>
> >>if (Apache2::ServerUtil::restart_count() == 1)
> >>{
> >> preload_dirs();
> >> $Embperl::initparam{preloadfiles} = \-at-preload_files;
> >>}
> >>
> >>The preload_dirs() simply traverses my code tree and calls this for each
> >>file:
> >>
> >>push (-at-preload_files, {inputfile => $filename, path => $path, import =>
> >>0, input_escmode => 0, options => 16, debug => 0x7fffffff});
> >>
> >>Does that look about right? If as you say it's worthwhile in terms of
> >>memory then I might look at re-enabling it again. I think I disabled it
> >>originally because it made restarting the server quite slow, but it
> >>would be useful to have it as an option should I need it.
> >>
> >
> >looks right to me although I never did this. You are just setting up
> >the global parameters
>
> Ok, but I'm wondering if there is something else I should be doing
> to execute the actual preload. It seems that all I do here is give
> Embperl an array, but when I enable the preload, it just goes
> through everything suspiciously quickly. I don't think it's actually
> executing anything at preload time, though I could be wrong. I'm
> thinking there's something else I need to do to tell Embperl "ok,
> now actually load all those files"...
>
> Neil
>
>
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