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Date: Tue, 28 Feb 2012 13:00:29 -0600
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To: Stas Malyshev <smalyshev@sugarcrm.com>
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Subject: Re: [PHP-DEV] pecl, zts, non-zts, fastcgi and Apache
From: wrowe@rowe-clan.net ("William A. Rowe Jr.")

On 2/28/2012 12:26 PM, Stas Malyshev wrote:
> 
>> so prefork hasn't been the default in some 7 years.  The only sensible build
>> for mod_php is ZTS, which will load and operate whichever mpm is loaded by
>> the user.  The only sensible single thread environment is cgi (enhanced,
>> of course, with fastcgi!)
> 
> Please note that TS build is slower and has higher memory requirements (due to TS locks
> and TS data structures) so having it as only build may not be optimal.

Of course, which is why a cgi build is /also/ useful.  But I just don't see
performance complaints, they are almost always reliability or configuration
issues.  If you are running that close to the edge that the 15% performance
penalty kills your box, you were well past time to scale to more boxes or
to review the PHP code itself for performance issues.