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PUBLIC MARKS with tags application & apache

2009

Shindig - Welcome To Shindig!

by holyver & 4 others (via)
What is Shindig? Shindig is a container for hosting social application consisting of four parts: * Gadget Container JavaScript: core JavaScript foundation for general gadget functionality (read more about gadget functionality). This JavaScript manages security, communication, UI layout, and feature extensions, such as the OpenSocial API. * Gadget Rendering Server: used to render the gadget XML into JavaScript and HTML for the container to expose via the container JavaScript. * OpenSocial Container JavaScript: JavaScript environment that sits on top of the Gadget Container JavaScript and provides OpenSocial specific functionality (profiles, friends, activities, datastore). * OpenSocial Data Server: an implementation of the server interface to container-specific information, including the OpenSocial REST APIs, with clear extension points so others can connect it to their own backends. Shindig is the reference implementation of OpenSocial API specifications, a standard set of Social Network APIs which includes: * Profiles * Relationships * Activities * Shared applications * Authentication * Authorization

2008

load test your drupal application scalability with apache jmeter | johnandcailin

by holyver & 2 others (via)
there are many things that you can do to improve your drupal application's scalability, some of which we discussed in the recent scaling drupal - an open-source infrastructure for high-traffic drupal sites article.

Setting Up A High-Availability Load Balancer (With Failover and Session Support) With HAProxy/Heartbeat On Debian Etch | HowtoForge - Linux Howtos and Tutorials

by camel & 1 other
This article explains how to set up a two-node load balancer in an active/passive configuration with HAProxy and heartbeat on Debian Etch. The load balancer sits between the user and two (or more) backend Apache web servers that hold the same content. Not only does the load balancer distribute the requests to the two backend Apache servers, it also checks the health of the backend servers. If one of them is down, all requests will automatically be redirected to the remaining backend server. In addition to that, the two load balancer nodes monitor each other using heartbeat, and if the master fails, the slave becomes the master, which means the users will not notice any disruption of the service. HAProxy is session-aware, which means you can use it with any web application that makes use of sessions (such as forums, shopping carts, etc.). From the HAProxy web site: "HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for web sites crawling under very high loads while needing persistence or Layer7 processing. Supporting tens of thousands of connections is clearly realistic with todays hardware. Its mode of operation makes its integration into existing architectures very easy and riskless, while still offering the possibility not to expose fragile web servers to the Net."

Le tuning Apache pour augmenter les performances de votre application web : Ergonomie, Rails et Architecture de l'information web (2.0)

by camel & 1 other
Les problèmes de montée en charge sont choses courantes pour un site ou une application web une fois atteint un certain succès. Ces derniers sont bien trop souvent négligés, généralement jusqu’au jour où se trouve atteinte la limite critique entre l’inconfort et l’instabilité. Le trend actuel veut qu’il soit à la fois plus simple et moins cher de rajouter des machines que de reprendre son code en profondeur pour l’optimiser. Encore faut-il que l’application permette un redimensionnement de ce genre sans rentrer dans une phase de refactoring complet. Évidemment, avant d’en arriver à une solution aussi lourde, il vaut mieux s’assurer que tout a été fait pour exploiter au mieux les ressources disponibles, et cela passe notamment par un peu d’optimisation côté serveur.

ath - Google Code

by camel
full featured application load balancer for reverse proxy apache httpd mod_proxy

2007

Setting Up A High-Availability Load Balancer (With Failover and Session Support) With Pound/Keepalived On Debian Etch | HowtoForge - Linux Howtos and Tutorials

by camel
This article explains how to set up a two-node load balancer in an active/passive configuration with Pound and keepalived on Debian Etch. The load balancer sits between the user and two (or more) backend Apache web servers that hold the same content. Not only does the load balancer distribute the requests to the two backend Apache servers, it also checks the health of the backend servers. If one of them is down, all requests will automatically be redirected to the remaining backend server. In addition to that, the two load balancer nodes monitor each other using keepalived, and if the master fails, the slave becomes the master, which means the users will not notice any disruption of the service. Pound is session-aware, which means you can use it with any web application that makes use of sessions (such as forums, shopping carts, etc.).

Tuning LAMP systems, Part 2: Optimizing Apache and PHP

by camel
Applications using the LAMP (Linux®, Apache, MySQL, PHP/Perl) architecture are constantly being developed and deployed. But often the server administrator has little control over the application itself because it's written by someone else. This series of three articles discusses many of the server configuration items that can make or break an application's performance. This second article focuses on steps you can take to optimize Apache and PHP. Linux, Apache, MySQL, and PHP (or Perl) form the basis of the LAMP architecture for Web applications. Many open source packages based on LAMP components are available to solve a variety of problems. As the load on an application increases, the bottlenecks in the underlying infrastructure become more apparent in the form of slow response to user requests. The previous article showed you how to tune the Linux system and covered the basics of LAMP and performance measurement. This article focuses on the Web server components, Apache and PHP.

2006

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