Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 6 potx
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 1 ppt
... requests
1 76. 179 milliseconds
Transfer rate Total number of Kbytes received per second 766 .27 [Kbytes/sec]
Pro PHP Application Performance: Tuning PHP Web Projects for Maximum
Performance ... in
Figure 1–5.
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 2 potx
... to
help us grade how well a web page conforms to these rules within the next section.
YSlow
YSlow is a web page performance analyzing tool created by the Yahoo Performance
group. The tool is ... browser applications—I know it has for me. Firebug
is a plug-in widely used by web developers that provides detailed information about a
web page’s DOM, CSS, JavaScript, and, most i...
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 3 doc
... Listing 3 6.
Listing 3 6. Optimized Code Using require
< ?php
require("ClassA .php& quot;);
require("ClassB .php& quot;);
require("ClassC .php& quot;);
require("ClassD .php& quot;); ... criteria.
With the tools for measuring how well your web page is performing under your belt,
you also learned how to implement performance tweaks on JavaScript and images....
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 4 pptx
... Foundation\Apache2.2\htdocs\index .php
part: 1
events: Time
fl =php: internal
fn =php: :count
4 1
fl =php: internal
fn =php: :is_int
15 1
fl=C:\Program Files\Apache Software Foundation\Apache2.2\htdocs\index .php
fn=isInt ... is a debugger and profiler tool for PHP. Along with additional debugging
information, Xdebug provides developers additional information such as t...
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 5 ppt
... 0.9 .6. 1, and it will be used 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 ... 4–5.
Listing 4–12. php. ini eA Settings for Windows
[PHP_ eA]
zend_extension_ts="C:\Program Files \PHP\ ext\eAccelerator0 961 _5.3.3_ts.dll"
eaccelerator.shm_size=&q...
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 6 potx
...
Table 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-based web ... “Apache Multi-processing Modules”
ahead). A prefork web server allows the web server to create a separate process (fork)
based off an original process. Web servers that operate...
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 7 docx
...
/news .php 1,500 25
/blog .php 1,000 17
/video .php 60 0 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 15 1 ... 3.3MB
/news .php 1,500 25 15MB 3.75MB
/blog .php 1,000 17 16MB 2.72MB
/video .php 60 0 10 8MB 0.8MB
/topuser .php 400 6 17MB 1.02MB
/message .php 150 2 9MB 0.18MB...
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
... 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 _module "C: /PHP/ php5apache2_2.dll" ... learned a process for analyzing them and making
corrections.
Throughout this book, we have shown you how to diagnose performance problems at
each level of...
Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance phần 10 pot
... 22
coding best practices
for accessing array elements, 63 64
for accessing object properties, 67 68
calculating loop length in advance, 60 62
for fetching data from files, 64 67
function calls, 57 ... 133–134
Welcome web page, 215
ApacheTop
installing, 166
memory footprint, 168 –170
output, 166
top URLS by requests, 167 – 168
APC. See Alternative PHP Cache
application s...