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...
Pro PHP Application Performance: Tuning PHP Web Projects for Maximum
Performance
Copyright © 2010 by Armando Padilla and Tim Hawkins
All rights reserved. No part of this work may be reproduced ... in
Figure 1–5.
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 2 potx
... Figure 1–8.
CHAPTER 2 ■ IMPROVING CLIENT DOWNLOAD AND RENDERING PERFORMANCE
33
Table 2 3. Net Results Description of Colors
Color Description
Purple Browser Waiting for Resource
Grey Receiving ... the Classic v1 rules, which grade a web page on 13 of the 23 rules.
CHAPTER 2 ■ IMPROVING CLIENT DOWNLOAD AND RENDERING PERFORMANCE
28
Firebug
As any web developer/designer wil...
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 3 doc
... use the small 30 0 30 0 image shown in Figure
2–16.
Figure 2–16. Original 30 0
30 0 image used on a web page
CHAPTER 2 ■ IMPROVING CLIENT DOWNLOAD AND RENDERING PERFORMANCE
44
for( i; i<items.length; ... Listing 3 8.
Listing 3 8. Optimized for Loop
< ?php
$items = array(1,2 ,3, 4,5,6,7,8,9,10);
$count = count($items);
for( $i=0; $i<$count; $i++)
{
$x...
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 4 pptx
... $end.'ms<br>';
CHAPTER 3 ■ PHP CODE OPTIMIZATION
75
Table 3 3. Xdebug Properties
Xdebug Property Description
xdebug.profiler_enabled
Turns on (1) or off (0) the profiler.
xdebug.profiler_output_dir ... profiler tool for PHP. Along with additional debugging
information, Xdebug provides developers additional information such as the following:
CHAPTER 3 ■ PHP...
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 5 ppt
... for
the remainder of this chapter to demonstrate its installation process as well as measure
performance improvements when using PHP. eA 0.9.6.1 is suitable for PHP 4 and all
versions of PHP ... download the package for your
specific PHP version. As an example, to install XCache using a PHP 5 .3 installation, we
download the latest XCache binary file, XCache-1 .3. 0 -php...
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 6 potx
... A prefork web server allows the web server to create a separate process (fork)
based off an original process. Web servers that operate as a prefork server type tend to
create a pool of processes ... 6–2. Web Server Types
Web Server Type Description
Prefork Process-based web server; for each incoming request, a forked process is used to
satisfy the request.
Threaded Thread-b...
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 7 docx
... 2,000 33
/news .php 1,500 25
/blog .php 1,000 17
/video .php 600 10
/topuser .php 400 6
/message .php 150 2
/message_send .php 100 2
/message_read .php 90 2
/user_profile .php 80 2
/feedback .php ... 2,000 33 10MB 3. 3MB
/news .php 1,500 25 15MB 3. 75MB
/blog .php 1,000 17 16MB 2.72MB
/video .php 600 10 8MB 0.8MB
/topuser .php 400 6 17MB 1.02MB
/message .php 15...
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 8 pdf
... for the default file in the order they are specified in the
directive. Make sure that the most relevant name for your particular application is placed
first in this list. For example, for a PHP ... footprint. We have used that information to limit the
processes on our system to prevent disk swapping.
We have also examined some configuration file tweaks that can improve
performa...
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 9 ppt
... InnoDB tables: 11G (Tables: 138 )
[!!] Total fragmented tables: 32
Performance Metrics
[ ] Up for: 19d 21h 25m 22s ( 237 M q [ 138 .4 23 qps], 13M conn, TX: 688B, RX: 30 B)
[ ] Reads / Writes: 91% ... the PHP engine we finished installing. Toward the end of the file, type in this
text:
AddType application/ x-httpd -php .php
PHPIniDir "C: /PHP/ "
LoadModule php5...
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 10 pot
... caching for, 120
using Memcached for, 126
PHP code example, 75
php. ini APC settings, 88
php. ini eA settings
for Unix, 101
for Windows, 1 03
PHP. ini properties, 75
phpinfo script, 87, 2 23
■ ... 227– 230
PECL, installing on, 232
Ubuntu, installing on, 230 – 231
■ INDEX
244
installing on Windows, 157–158
as static web server, 158–159
usage figures for, 133 – 134
over...