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Scaling PHP applications with Varnish

Varnish is a HTTP accelerator, build from ground up with performance in mind. Varnish is targeted primarily at the FreeBSD 6/7 and Linux 2.6 platforms, and will take full advantage of the virtual memory system and advanced I/O features offered by these operating systems. You can get more information and the software from Varnish site.

You can monitor Varnish statistics using varnishstat and varnishtop command.

Posted in Large Sites