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Today's Topics:
1. Re: Thoughts on reloading Koha plugins (Galen Charlton)
2. Re: Thoughts on reloading Koha plugins (dcook@prosentient.com.au)
3. Looking for feedback on approach to Bug 28457
cleanup_database.pl (dcook@prosentient.com.au)
----------------------------------------------------------------------
Message: 1
Date: Wed, 26 May 2021 13:59:21 -0400
From: Galen Charlton <gmc@equinoxoli.org>
To: David Cook <dcook@prosentient.com.au>
Cc: Arthur <arthur.suzuki@biblibre.com>, koha-devel
<koha-devel@lists.koha-community.org>
Subject: Re: [Koha-devel] Thoughts on reloading Koha plugins
Message-ID:
<CAPLnt66v3+ZRufmU73_Sf0e+cj=zOuzKm4E+g+wvaHEHhH6NBg@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hi,
On Wed, May 26, 2021 at 1:17 AM <dcook@prosentient.com.au> wrote:
> Hmm interesting. I see instructions on setting up Wordpress with FastCGI
> but no comments about any impact that would have on plugins. Maybe they
> just don’t worry about it the same way most Koha folk don’t worry about it
> hehe.
>
As I recall, Zend Opcache has various settings to control if and when it
will recompile the PHP scripts in caches. Depending on what settings you
choose, in a FastCGI environment it can periodically check to see if a
script has been updated and update the cache if need be - or, if you
choose, never revalidate the cache, in which case you'd need to reload or
restart php-fpm after changing code.
Also, WordPress has code that tries to clear opcache. [1, 2]
[1]
https://developer.wordpress.org/reference/functions/wp_opcache_invalidate/
[2] https://core.trac.wordpress.org/ticket/36455
Regards,
Galen
--
Galen Charlton
Implementation and IT Manager
Equinox Open Library Initiative
gmc@equinoxOLI.org
https://www.equinoxOLI.org
phone: 877-OPEN-ILS (673-6457)
direct: 770-709-5581
<http://evergreen-ils.org>
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Message: 2
Date: Thu, 27 May 2021 10:00:56 +1000
From: <dcook@prosentient.com.au>
To: "'Galen Charlton'" <gmc@equinoxoli.org>
Cc: "'Arthur'" <arthur.suzuki@biblibre.com>, "'koha-devel'"
<koha-devel@lists.koha-community.org>
Subject: Re: [Koha-devel] Thoughts on reloading Koha plugins
Message-ID: <01de01d7528b$5e3d5ad0$1ab81070$@prosentient.com.au>
Content-Type: text/plain; charset="utf-8"
That’s interesting, Galen.
If I recall correctly, loading libraries in PHP doesn’t load them into PHP per se but rather inserts the code into the PHP script itself. I suppose in that way maybe you could cache and invalidate individual scripts and not have to worry about “unloading modules”. I don’t think we have any equivalent in Perl though, unfortunately.
With Plack, we have Plack::App::CGIBin, which caches CGI scripts by turning them into packages, but everything is living in that Starman worker process.
I have to go into a meeting but more thinking to do here…
David Cook
Software Engineer
Prosentient Systems
Suite 7.03
6a Glen St
Milsons Point NSW 2061
Australia
Office: 02 9212 0899
Online: 02 8005 0595
From: Galen Charlton <gmc@equinoxoli.org>
Sent: Thursday, 27 May 2021 3:59 AM
To: David Cook <dcook@prosentient.com.au>
Cc: Arthur <arthur.suzuki@biblibre.com>; koha-devel <koha-devel@lists.koha-community.org>
Subject: Re: [Koha-devel] Thoughts on reloading Koha plugins
Hi,
On Wed, May 26, 2021 at 1:17 AM <dcook@prosentient.com.au <mailto:dcook@prosentient.com.au> > wrote:
Hmm interesting. I see instructions on setting up Wordpress with FastCGI but no comments about any impact that would have on plugins. Maybe they just don’t worry about it the same way most Koha folk don’t worry about it hehe.
As I recall, Zend Opcache has various settings to control if and when it will recompile the PHP scripts in caches. Depending on what settings you choose, in a FastCGI environment it can periodically check to see if a script has been updated and update the cache if need be - or, if you choose, never revalidate the cache, in which case you'd need to reload or restart php-fpm after changing code.
Also, WordPress has code that tries to clear opcache. [1, 2]
[1] https://developer.wordpress.org/reference/functions/wp_opcache_invalidate/
[2] https://core.trac.wordpress.org/ticket/36455
Regards,
Galen
--
Galen Charlton
Implementation and IT Manager
Equinox Open Library Initiative
gmc@equinoxOLI.org <mailto:gmc@equinoxOLI.org>
https://www.equinoxOLI.org
phone: 877-OPEN-ILS (673-6457)
direct: 770-709-5581
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Message: 3
Date: Thu, 27 May 2021 13:50:15 +1000
From: <dcook@prosentient.com.au>
To: "'koha-devel'" <koha-devel@lists.koha-community.org>
Subject: [Koha-devel] Looking for feedback on approach to Bug 28457
cleanup_database.pl
Message-ID: <020e01d752ab$67530be0$35f923a0$@prosentient.com.au>
Content-Type: text/plain; charset="utf-8"
Hi all,
I was wondering if someone could give me some feedback on "Bug 28457 -
cleanup_database.pl self-registration options are not configurable"
(https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=28457)
I like the patch I wrote there, but I wanted to see what other people
thought before running it locally.
David Cook
Software Engineer
Prosentient Systems
Suite 7.03
6a Glen St
Milsons Point NSW 2061
Australia
Office: 02 9212 0899
Online: 02 8005 0595
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