performance tuning our web application

... Pro PHP Application Performance Tuning PHP Web Projects for Maximum Performance ■■■ Armando Padilla and Tim Hawkins Pro PHP Application Performance: Tuning PHP Web Projects for Maximum Performance ... 165 Determining the Performance of Your Web Server 166 Using ApacheTop, a Real-Time Access Log File Analyzer 166 Understanding the Memory Footprint of Your Application 168 ... Locating Your Configuration File .197 x ■ CONTENTS Mysqltuner.pl: Tuning Your Database Server’s Memory 197 Possible Issues with Our Example Server 201 Tuning InnoDB...

Ngày tải lên: 12/08/2014, 23:22

... other flags and see how our initial benchmarking figures of the www.example.com site hold up Concurrency Tests Depending on your web application, a user’s time on the application can range anywhere ... before moving onto another document on your web application Installing Siege Installing Siege can be done by either downloading the source code from the official web site, www.joedog.org/index/siege-home ... Browser behavior • Web server configuration Geographical Location The geographical location of your web server is important to the response time the user experiences If your web server is located...

Ngày tải lên: 12/08/2014, 23:23

... 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 The performance tweaks covered were minification ... measure our resources and, in what we’re about to learn, measure how well we have optimized these resources JavaScript Optimization The first thing every developer needs to understand is that your ... 52 CHAPTER ■ IMPROVING CLIENT DOWNLOAD AND RENDERING PERFORMANCE encountering a tag You also learned how to grade your web page’s performance using the YSlow 22–rule grading criteria,...

Ngày tải lên: 12/08/2014, 23:23

... increasing performance to your PHP script Identifying Bottlenecks Bottlenecks should be one of the key concerns when writing code They are layers within your application that take up the most resources ... processing relative to the rest of your application More than often, web applications tend to have their bottlenecks within the database connection layer, connecting to web services, or I/O functions ... both tools you can use to profile your PHP application, and it also looked into the current PHP best practices, which can increase the performance of your application, such as the following:...

Ngày tải lên: 12/08/2014, 23:23

... and paste the file into your web server This will allow you to access the PHP script from the Web using a browser by visiting the URL http://YOUR_HOST/apc.php, where YOUR_HOST can be either localhost ... the web interface containing additional functionality, such as clearing the cache Save the changes and restart your web server Load the URL http://YOUR_HOST/apc.php, and you should see the web ... file Updating php.ini Open the php.ini file your web server is using, append the eA settings shown in Listing 4– 12, save the changes, and restart your web server The settings shown in Listing 4–12...

Ngày tải lên: 12/08/2014, 23:23

... developed by Brad Fitzpatrick for the web application Livejournal in 2003 and then found great backing within the open source community It now has wide use in major web applications such as Wikipedia, ... following sections Classifying Web Servers Not all web servers are alike As stated before, your hardware setup depends on how you will run your web server Some web servers have multiple CPUs, ... for not only our Opcode but also large sections of data that is required for our application to run, we have covered the foundation of what caching is and what it can within our PHP application...

Ngày tải lên: 12/08/2014, 23:23

... CHAPTER ■ WEB SERVER AND DELIVERY OPTIMIZATION Determining the Performance of Your Web Server In Chapter 1, we saw how to use benchmarking tools to determine the performance of your web service ... WEB SERVER ■ Note This is not an invitation to a “my web server is better than your web server” conversation These are only benchmark tests on my local machine, as well as using each of the web ... tell you where all the “action” is in your application and let you know where you will need to focus your attention Understanding the Memory Footprint of Your Application Using ApacheTop, we have...

Ngày tải lên: 12/08/2014, 23:23

... 175 CHAPTER ■ WEB SERVER AND DELIVERY OPTIMIZATION Scaling Beyond a Single Server No matter how much optimization you apply to your application or your system configuration, if your application ... number of “requirements” your application must meet in order to operate in a distributed mode While the prospect of reengineering your application for operating in a “farm” of web servers may at first ... your web server would be performing an unnecessary search for index.html on each request for a directory This is particularly important with your home page, which will see the majority of your...

Ngày tải lên: 12/08/2014, 23:23

... book, we have shown you how to diagnose performance problems at each level of the application stack, from the PHP runtime, to the application code, to the web servers and finally onto the database ... defragment tables for better performance Reduce your overall MySQL memory footprint for system stability Temporary table size is already large - reduce result set size Reduce your SELECT DISTINCT queries ... writes, speeds up performance, and reduces I/O load on the drives CHAPTER ■ DATABASE OPTIMIZATION Finding Problem Queries Tuning the server configuration is only one way of improving performance By...

Ngày tải lên: 12/08/2014, 23:23

... connection memory usage, 195–197 performance of web servers See also rendering performance; scaling beyond single server memory footprint, 168–170 monitoring applications and, 187–188 optimizing ... placement of JavaScript, 43–46 popularity of web servers, 133–134 Prefork MPM (Apache web server), 141, 170–171 prefork web servers, 137 process-based web servers, 153 Processing Config window (MySQL), ... of, 57 ■G Ganglia, 187 geographical location of web servers, 20 Grade tab (YSlow), 37 GWS web server, usage figures for, 133–134 ■H hardware for web servers, 136 HostnameLookup key, 174 htaccess...

Ngày tải lên: 12/08/2014, 23:23

... http://www.sun.com/sunworldonline/swol-03-1996/swol-03-perf.html Good web server performance article http://www.sgi.com/Technology /web/ SGI's Web Performance Tuning Guide page Web Performance Tuning http://www.techweb.com/speed/ Lots of tuning tips, ... is and how to bring the performance of that section into line with the rest of your web site page Web Performance Tuning 1.1 The chain of events page Web Performance Tuning Part I Chapter 1, ... links for web content Web Performance Tuning Preface When I told people I was writing a book called Web Performance Tuning, the usual response I got was that the title should be "Web Server Performance...

Ngày tải lên: 25/03/2014, 10:53

Ngày tải lên: 30/03/2014, 01:20

... Contents Preface Chapter 1: AJAX and the Future of Web Applications Delivering Functionality via the Web Advantages of Web Applications Building Websites Since 1990 HTTP and HTML PHP and Other Server-Side ... install separate libraries into their web browsers Delivering Functionality via the Web Web applications are applications whose functionality is processed on a web server, and is delivered to the ... interactive web applications by enabling web pages to make asynchronous calls to the server transparently while the user is working AJAX is a tool that web developers can use to create smarter web applications...

Ngày tải lên: 15/11/2012, 14:19

... Yii • WebRoot is configured as the document root of your web server • From your command line, change to your WebRoot folder and execute the following: % cd WebRoot % YiiRoot/framework/yiic webapp ... Web Application Development with Yii 1.1 and PHP5 Fast-track your web application development by harnessing the power of the Yii PHP Framework Jeffery Winesett BIRMINGHAM - MUMBAI Agile Web Application ... a Web application under '/Webroot/demo'? [Yes|No] Yes mkdir /WebRoot/demo mkdir /WebRoot/demo/assets mkdir /WebRoot/demo/css generate css/bg.gif generate css/form.css generate css/main.css Your...

Ngày tải lên: 03/01/2013, 08:56

... mật Website triễn lãm đồ gốm Roles Matrix SVTH: Nguyễn Lâm – 060219T Trang 15 Đề tài: BẢO MẬT WEB APPLICATION SVTH: Nguyễn Lâm – 060219T GVHD: Thầy Vũ Đình Hồng Trang 16 Đề tài: BẢO MẬT WEB APPLICATION ... nhật sản phẩm) Đặc tả website Đặc tả : Là website trưng bày sản phẩm theo hình thức showroom nên có đặc điểm sau SVTH: Nguyễn Lâm – 060219T Trang 12 Đề tài: BẢO MẬT WEB APPLICATION GVHD: Thầy ... Trang Đề tài: BẢO MẬT WEB APPLICATION GVHD: Thầy Vũ Đình Hồng Lời mở đầu Theo thống kê, năm 2009, nước ta có 1000 website bị hacker công, tăng gấp đôi so với năm 2008 (461 website) gấp ba lần so...

Ngày tải lên: 17/01/2013, 10:37

... Tổng quan môi trường lập trình iOS • Web app: Là ứng dụng web iPhone đóng vai trò web client thông qua Safari browser Mọi thứ liên quan đến ứng dụng web đặt web server chất việc lập trình điều ... diện iPhone • Web app thường tập trung vào Ajax, Javascript, PHP, CSS, HTML5 • Tools/ IDE: Dashcode editor dành cho lập trình web app máy thường NỘI DUNG ĐÃ THỰC HIỆN  Điểm mạnh Web apps • Cross ... tìm kiếm theo tên rạp, khu vực • Webservice tự xây dựng, lấy thông tin lịch chiếu phim, nội dung tóm tắt thông tin khác liên quan, ứng dụng lấy liệu cung cấp webservice hiển thị cho người dùng...

Ngày tải lên: 18/01/2013, 16:14

... qua trang Web Web "ĐỘNG" thuật ngữ dùng để website hỗ trợ phần mềm sở web, nói chương trình chạy với giao thức http Thực chất, website động có nghĩa website tĩnh "ghép" với phần mềm web (các modules ... khái niệm chung ứng dụng web Web browser (trình duyệt web) ứng dụng phần mềm cho phép người dùng truy vấn liệu tương tác với nội dung nằm trang Web bên website Trang Web tĩnh; người dùng gửi ... CHƯƠNG 1: GIỚI THIỆU TỔNG QUAN VỀ ỨNG DỤNG WEB 1.1 khái niệm ứng dụng web( website widget hay web application) Mang tính kỹ thuật nhiều giải thích ứng dụng Web truy vấn máy chủ chứa nội dung (chủ...

Ngày tải lên: 24/04/2013, 16:20

... Firewall Web Adaptive Firewall Web Application Firewall Web Application Security Device Web Application Proxy Web Application Shield Web Shield Web Security Firewall Web Security Gateway Web Security ... Adaptive Gateway Application Firewall Application- level Firewall Application- layer Firewall Application- level Security Gateway Application Level Gateway Application Security Device Application Security ... Web Server Application Database Server Port 80 OWASP AppSec Europe 2006 WAFEC (1) Web Application Firewall Evaluation Criteria Project of the Web Application Security Consortium (webappsec.org)...

Ngày tải lên: 08/07/2013, 01:27

... ASP.NET web application Use the File menu to create a new project (File | New | Project), and then select ASP.NET Web Application or ASP.NET Empty Web Application Web applications and websites ... 418 Publishing Web Applications 419 Web Deployment Projects 425 Web Setup Projects 427 Deploying Web Applications by Using the Copy Web Tool 439 Precompiling and Publishing ASP.NET Websites 441 ... Create New Web Application button, type a name for your application, and then press Enter Figure 1-4 shows a new web application being configured Lesson 2: Creating a Website and Adding New Webpages...

Ngày tải lên: 06/08/2013, 17:30