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<H1>[Mageia-dev] PHP treadsafe</H1>
<B>Colin Guthrie</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20PHP%20treadsafe&In-Reply-To=%3C50F023E2.2090506%40colin.guthr.ie%3E"
TITLE="[Mageia-dev] PHP treadsafe">mageia at colin.guthr.ie
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<I>Fri Jan 11 15:38:26 CET 2013</I>
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<PRE>'Twas brillig, and Thomas Spuhler at 11/01/13 14:25 did gyre and gimble:
><i> On Friday, January 11, 2013 03:21:52 AM Colin Guthrie wrote:
</I>>><i> 'Twas brillig, and Thomas Spuhler at 08/01/13 14:25 did gyre and gimble:
</I>>>><i> On Tuesday, January 08, 2013 04:36:26 AM Oliver Burger wrote:
</I>>>>><i> Am 08.01.2013 11:04, schrieb Frederik Himpe:
</I>>>>>><i> On Sat, 05 Jan 2013 10:20:35 -0700, Thomas Spuhler wrote:
</I>>>>>>><i> If nobody objects I am going to rebuild php treadsafe
</I>>>>>>><i> (--enable-maintainer-zts)
</I>>>>>>><i> it is needed for running apache with mpm-module-worker instead of
</I>>>>>>><i> prefork and php apache module worker is needed by 389-ds. It is now
</I>>>>>>><i> declared as stable.
</I>>>>>>><i>
</I>>>>>>><i> But apache mpm-prefork starts with php compiled treadsafe apache
</I>>>>>>><i> mpm-worker doesn't start with php compiled none-treadsafe
</I>>>>>><i>
</I>>>>>><i> You can run PHP with apache2-mpm-worker with mod_fcgid and php5-cgi or
</I>>>>>><i> php5-fpm.
</I>>>>>><i>
</I>>>>>><i> This is what Debian Wheezy's README file for php says:
</I>>>>>><i>
</I>>>>>><i> Using PHP 5 with threaded webservers (e.g. apache2-mpm-worker)
</I>>>>>><i> ----------------------------------------------------------------------
</I>>>>>><i>
</I>>>>>><i> After much back-and-forth with upstream (and even building our
</I>>>>>><i> packages thread-safe for a while), we're currently admitting defeat
</I>>>>>><i> on that front, and are NOT building any thread-safe versions of PHP
</I>>>>>><i> 5 for any webservers. Our recommendation is that, if you need to use
</I>>>>>><i> a threaded webserver, you should use php5-fpm and interface to your
</I>>>>>><i> webserver with FastCGI.
</I>>>>>><i>
</I>>>>>><i> I think Mageia is hurting itself by enabling too experimental features.
</I>>>>>><i> Another example is the uas kernel module, of which I saw a complaint
</I>>>>>><i> recently in this mailing list. This module is known to be buggy, and
</I>>>>>><i> disabled in Debian.
</I>>>>><i>
</I>>>>><i> +1
</I>>>>><i>
</I>>>>><i> That's what Oden told me yesterday on IRC.
</I>>>>><i>
</I>>>>><i> So as current php maintainer I vote against enabling this.
</I>>>>><i>
</I>>>>><i> Oliver
</I>>>><i>
</I>>>><i> I guess I then will revert it to NTS.
</I>>>><i> Fedora builds it with both options. But it may be too late now going that
</I>>>><i> way.
</I>>><i>
</I>>><i> FWIW, over the last few days I've had to rebuild several PHP modules to
</I>>><i> get my system working properly.
</I>>><i>
</I>>><i> A couple days ago I had to rebuild both php-memcached and php-redis.
</I>>><i>
</I>>><i> Today I've had to rebuild php-memcached, php-redis and php-timezonedb.
</I>>><i>
</I>>><i> I'm not against enabling features etc. to try them out but when doing so
</I>>><i> care really should be taken to rebuild all affected PHP modules not just
</I>>><i> the core ones.
</I>>><i>
</I>>><i> Thanks.
</I>>><i>
</I>>><i> Col
</I>
><i> Why did you have to rebuild them as a result of the new features? TS has been reverted to NTS so,
</I>><i> there are no new features.
</I>
For php-timezonedb it specifically mentioned that it was built against
the TS version where as the core PHP was NTS (TS vs NTS in the build ids
it was comparing).
For the other two, they complained about missing symbols when the TS
version appeared. I forget the symbol itself but it was mentioned
global_config.
They had the same error today (presumably after reverting) so had to
rebuild again.
I guess enabling TS vs. NTS changes things more subtly than it might appear.
Easy enough to reproduce - just install them and run "php -v" on the
command line to see the list of errors.
Col
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Colin Guthrie
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