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Developer(s) | Caucho Technology |
---|---|
Stable release | 4.0.66 [1] / 8 December 2021 |
Written in | Java and C |
Operating system | Cross-platform |
Type | Web server |
License | GPLv3 or Proprietary |
Website | www |
Resin is a web server and Java application server developed by Caucho Technology. There are currently two versions available: Resin (GPL), which is free for production use, and Resin Pro, designed for enterprise and production environments with a licensing fee. Resin supports the Java EE standard and features a mod_php/PHP-like engine known as Quercus.
Resin (GPL) offers essential functionalities for web and application serving, while Resin Pro includes additional optimizations, such as:
While Resin is primarily Java-based, critical components of its networking infrastructure are written in optimized C, providing a balance of features and performance. Resin has a long history, having been released in 1999, making it one of the mature and well-established application servers and web servers.
Resin Pro has been engineered to include:
Scalability
Development
Production Ready
App Server
Web Server [9]
Resin's market share is small in the grand scheme of Java Application Servers, but some high traffic sites use it, such as Toronto Stock Exchange, Salesforce.com, Condé Nast (parent company of Wired, Vogue, GQ) and CNET. [10] NetCraft's February 2012 Survey stated Resin grew to 4,700,000 sites; Resin was the only Java-based web server mentioned. [11]
A 2012-page on a Caucho wiki site describes a test procedure with results showing that tested 0k (empty HTML page), 1K, 8K and 64K byte files. At every level Resin matched or exceeded nginx web server performance. [12]
Quercus is a Java-based implementation of the PHP language that is included with Resin. According to a slideshow presented by Emil Ong (from Caucho), to a San Francisco Java Meetup Group in April 2008 pertaining to Resin 3.1, an essential difference in the operation of Quercus between the Resin Open Source and the Resin Professional editions is that in Resin Professional the PHP is compiled to Java bytecode whereas in the open source version PHP is executed by an interpreter. [13]
Caucho stated in 2007 that Quercus was faster than standard PHP 5 (PHP 8 with JIT is much faster than older PHP versions; PHP 5 is no longer supported) [14] [15] although this is only true for the JIT-compiled version in Resin Professional. [16] Quercus ships with Resin.
One license covers all components of the Resin architecture.
Resin is provided in both an open source GPL license and a Pro version with enhancements for enterprises.
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Caucho Technology is based in San Diego, CA. It is an information technology company that produces web server software and application server software as well as the originators of Quercus and Hessian open source projects. Caucho Technology was founded in 1998.
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I think we're finally getting to the point where we mimic the other implementation of PHP quite precisely (except we have distributed sessions, are faster in compiled mode, etc. :-)).