"The ubiquitous Linux, Apache, MySQL, and PHP/Perl/Python (LAMP)
combination powers many interactive Web sites and projects. It's
not at all unusual for demand to exceed the capacity of a single
LAMP-powered server over time. You can take load off by moving your
database to a second server, but when demand exceeds a two-server
solution, it's time to think cluster.
"A LAMP cluster is not the Beowulf kind of cluster that uses
specialized message-passing software to tackle a
computation-intensive task. It does not cover high availability
features, such as automatic failover. Rather, it is a load-sharing
cluster that distributes Web requests among multiple Web and
database servers while appearing to be a single server..."
Some of the products that appear on this site are from companies from which QuinStreet receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. QuinStreet does not include all companies or all types of products available in the marketplace.