Optimization

Compression

Tuning. Json. List of PHP accelerators. This is a list of PHP accelerators.

Alternative PHP Cache (APC)[edit] Alternative PHP Cache is a free, open source (PHP license) framework that caches the output of the PHP bytecode compiler in shared memory, thus reducing parsing and disk I/O overhead for later requests; and a shared memory cache for user data. For an application consisting of a large source code base such as Drupal, a 3x increase in page generation speed is possible as a result.[1] It has been used at Facebook and has a mature codebase thanks to numerous contributors, including Facebook itself.[2] High Performance Enabled SSH/SCP [PSC] (PI) Chris Rapier PSC, Michael Stevens CMU, Benjamin Bennett PSC, Mike Tasota PSC/CMUemail: hpn-ssh@psc.eduThis e-mail address is being protected from spambots.

You need JavaScript enabled to view it Are you using HPN-SSH? Please let us know On this page: Notes and News The 6.4 and 6.5 patches are now both available. I should also point out that the patches are now available on sourceforge at This location may prove to be easier for people who don't want to deal with the remository interface I've been required to use. Open Source software released by Sulake Dynamoid Oy. 15 Tools to Help You Develop Faster Web Pages - Six Revisions. Response times, availability, and stability are vital factors to bear in mind when creating and maintaining a web application.

If you’re concerned about your web pages’ speed or want to make sure you’re in tip-top shape before starting or launching a project, here’s a few useful, free tools to help you create and sustain high-performance web applications. I’ve tried to include a wide variety of tools that are easy to use, and have tried to keep them as OS and technology-independent as possible so that everyone can find a tool or two. 1. Supercharged Javascript. Filed: Sun, Feb 04 2007 under Programming|| Tags: .htaccess php compress concatenate javascript As frameworks like prototype, jquery, and YUI become more and more popular, external javascript loads grow dramatically -- dragging down the performance of your page.

Compressing the javascript statically (covered in Compressed HTML Makes Your Pages Zippy) is one option to regain page-loading efficiency, however if you change one file you'll need to make a new compressed copy and that's quite a bit of maintenance work. Pre-compression also doesn't solve a multiple connection issue. Monitoring: Server- und Netzüberlastungen mit Bordmitteln ermitteln « 01 « 2004 « Ausgaben « ABO & ARCHIV « Linux-Magazin Online. Wer Daten über den Zustand seines Netzes und der Server sammelt und übersichtlich darstellt wird Engpässe und Überlastungen schnell und ohne manuelles Durchforsten von Logfiles diagnostizieren können.

Für dieses Monitoring gibt es eine ganze Reihe guter und nützlicher Werkzeuge. Erst kürzlich hat das Linux-Magazin Nagios und Big Sister vorgestellt[1],[2]. Dieser Beitrag handelt aber davon, wie man diese Werkzeuge nicht benutzt, sondern stattdessen Bordmittel, die zu einem guten Teil jede Linux-Distribution mitbringt. Dazu kommen ein paar einfache, aber trickreiche Bash-Skripte. Das gewährleistet, dass jeder Admin das Vorgehen gut nachvollziehen kann.

Auch exotische Auswertungen sind möglich. Es entstehen nicht nur die Ergebnisse, sondern auch die Rohdaten, die man verschiedenen auswerten kann. n Hoher Lerneffekt für den Admin. 14 golden rules for site optimization « Softexpert Moldova - A Blog for IT Professionals. 80% of the end-user response time is spent on the front-end. Most of this time is tied up in downloading all the components in the page: images, stylesheets, scripts, Flash, etc. Reducing the number of components in turn reduces the number of HTTP requests required to render the page. This is the key to faster pages. The user’s proximity to your web server has an impact on response times. Deploying your content across multiple, geographically dispersed servers will make your pages load faster from the user’s perspective. Web page designs are getting richer and richer, which means more scripts, stylesheets, images, and Flash in the page.

The time it takes to transfer an HTTP request and response across the network can be significantly reduced by decisions made by front-end engineers. Simple Optimization for PHP and MySQL. Saturday April 29 2006 03:23 Here is a list of a few very simple tips for optimizing your php/mysql applications.

Keep these in mind while developing. MySQL MySQL is interpreted from right to left so you should put the most significant limiters as far to the right as possible. Only select fields you need, instead of selecting * (everything). If possible it's of course always better to generate static html pages every time something is updated or as often as an update might be relevant instead of querying the database every time. Further reading: Make a comment if you have any tips that I've missed and I will add it. This article is hosted by dublish.com which is a free online publishing tool for those who have something to say but don't have their own blog.