Archive for the ‘Cluster, Load balancing’ Category

  • Optimize and Tweak High-Traffic Servers

    Wednesday, June 30th, 2010

    Summary If you are reaching the limits of your server running Apache serving a lot of dynamic content, you can either spend thousands on new equipment or reduce bloat to increase your server capacity by anywhere from 2 to 10 times. This article concentrates on important and poorly-documented ways of increasing capacity without additional hardware. [...]

  • Load balancing with Varnish

    Sunday, April 11th, 2010

    Introduction:- Varnish has a built in load balancer. Use this if you have more then one origin server. Using this is quite easy. You start up by declaring more then one backend server. We add a probe object to each backend to let varnish check the health of the objects. {{{ backend foo {   [...]

  • Cluster, Load balancing, SAN Technology

    Monday, January 18th, 2010

    What is a cluster In its simplest form, a cluster is two or more computers that work together to provide a solution. This should not be confused with a more common client-server model of computing where an application may be logically divided such that one or more clients request services of one or more servers. [...]