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Below are some of the comments from PHPA users. There is a separate support testimonials page. Read Huibert Alblas's email on
comparative performance tests. Read Steve Browns email on
dramatic load average
reduction for www.uktrainsim.com. Read Chris Schreibers email on load average
reduction over an alternative cache on two very large vBulletin sites.
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[From Sumbry] I must say that PHP Accelerator is one of the best pieces of software that I have used in a long long time. Just had to drop you a line (I always drop authors a line if they offer some product that just blows me away) and let you know that I'm currently running a high volume website, that generates over 200,000 page views a day. Each page view is a PHP script that performs multiple PostgreSQL queries and does some type of processing.
I installed the accelerator in about 2 minutes, and immediately saw the load on my server drop. Not only that, but after upping the shared memory on my box, and the accelerators cache size to 32 megs, most of the pages coming up on my site were loading instantly. I had to actually go back and reconfigure postgres to take advantage of the newfound speed on the box. My users noticed instantly. I got emails right away - and it's not like my site was slow before either!
Simply amazing! Kudos to you.
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[From Richard A.] BTW. PHPA rox. I recommend it to everyone I know. Keep up the good work!
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[From Mark R.] Thanks again for your quick reply - and for writing PHP Accelerator in the
first place! It's an amazing bit of software. I kept putting off installing
it as I thought it would be highly involved, but I was pleased to see how
easy it was. Just untar it, copy a few files and add a couple of lines to
php.ini. It's made a real difference as well - I've just done some
benchmarking, and watched the server load. I'm using PHP to run a webmail
system (HORDE/IMP) and a custom webcalendar system, and this looks like
it'll really make a difference to our users.
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[Posted to the PHPA List] PHPA rocks our servers... ;) We were using *** on our webservers until I decided to 'upgrade' to PHPA
yesterday evening. The performance gain is outstandingly dramatic! ;) We are
now able to server more than double the number of visitors and the machine
is still very, very responsive. [...] Great, Nick! KUDOS! The next plan is to replace *** with PHPA on www.dhnet.be and www.lalibre.be, too. These are the two biggest belgian
press (news) sites.
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Hi Nick, Just like to say that you've done a great job with PHP-A, I find it works great for us and delivers top-notch performance!
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[A user post to a www.phpdeveloper.org] We use PHPA here and MY GODS do
we need it. Those of you that don't write enterprise-level code might not
realize this but, when you have a huge interactive site w/ ~ 1k views/hour
you have to bust your hump to get it to work correctly. PHPA rocks.
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[From a newsgroup] I do find it very useful on our corporate Intranet; it makes a difference of about 800%. Great stuff.
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[From a web forum] I just installed PHPA, and I must say: it REALLY helps and is VERY easy to install. In fact, any web site that utilizes PHP should try it out. It's free, fast, and simple.
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[From a web forum] I just installed PHP Accelerator on your account so you should notice things speed up substantially. A friend has Zend Accelerator so I loaded it up
and did some tests against APC and PHP Accelerator using Apache Benchmark and PHPA came out matched or ahead of Zend in nearly every test.
Combined with the added savings of 3 grand, it was an easy choice.
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on my VBulletin site at [...]
WOW what a difference! It obviously works well with that product. While I
don't have hard numbers, A LOT of people have mentioned to me that they are
seeing a huge difference!
Thank you for the time and effort that I know went in to writing this
program.
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As you can see, Smarty speeds up _significantly_ with php acceleration, by 6-9 times in these tests.
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PHP Accelerator, WOW! I just wanted to shoot a little e-mail over to you, to let you know how amazed I am of the performance PHP Accelerator. [...] It's running great under PHP 4.1.1 on Linux
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I installed it [1.2] on my very busy server, and it seems to be very cool,
I have to read more thing about the configuration to optimise the install, but,
actualy, it works very very fine... [...] php accelerator the best ???? YESSSSSSS
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I have just compared PHP Accelerator (1.1p1_4.0.6) and APC Cache (1.1.0pl1)
and you win hands down! Apache Bench running 1000 requests on a concurrency
of 10 showed APC at 11.49req/sec and PHPA at 19.58r/sec [and]
... the load average was 11.17 with APC and only 6.66 with PHPA.
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My jaw dropped when I
downloaded the 30-day trial of Zend Accelerator, the performance gain was
amazing, but it was impossible for me to pay.
So my jaw double-dropped :) when I saw that the performance gain of PHP
Accelerator was the same than Zend Accelerator, and it was for free!
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When we installed the trial version of the Zend product, we instantly had a
problem. The Zend Accelerator was breaking inheritance in our code.
... but later that evening I saw your post about 1.2. The problem was instantly solved, and we saw a very large performance improvement.
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I've just try the PhpA 1.2Dev under [Sparc] Solaris (you gave me source code).
The perf are very good, they are the same as ZendAccelerator.
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 | Back on November 16th 2001, DaveCentral (now software.linux.com) awarded
PHPA one of their
Best Of Linux awards. Thanks Dave! |
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