What is litespeed?

Thinking on changing Apache to Litespeed, how does it work?

Asked on July 26, 2018 in Sysadmin.
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LiteSpeed web server is a high-performance Apache replacement.

The software is commonly used together with web hosting control panels, where it replaces Apache as the web server, which improves the performance of the server. It supports HTTP/1.1, SSL, CGI, FastCGI, LSAPI, PHP, JSP, Servlets, GZIP compression, chroot, IP level throttling, connection accounting, DDoS attack prevention, and instant recovery mechanisms.

It can be used as a content accelerator, compression proxy, or a security guard running in front of any Web and application server.

The benefits of using LiteSpeed web server are the following:

  • LiteSpeed web server increases performance and stability with its streamlined event-driven architecture. LiteSpeed can serve thousands of clients with minimal memory consumption and CPU usage.
  • LiteSpeed increases server security because it is mod_security compatible and has built-in anti DDos features like bandwidth and connection throttling.
  • LiteSpeed reduces hardware and support costs allowing to keep the hosting control panel and relieving you of the troubles of an overloaded server.

LiteSpeed Web Server (LSWS) is compatible with commonly used Apache features, including mod_rewrite, .htaccess, and mod_security. LSWS can load Apache configuration files directly and works as a drop-in replacement for Apache while fully integrating with popular control panels — replacing Apache in less than 15 minutes with zero downtime.

Unlike other frontend proxy-based solutions, LSWS replaces all Apache functions, simplifying use and making the transition from Apache easy.

Benchmark:

Litespeed performance

Litespeed performance

Answered on July 26, 2018.
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