SilverStripe Framework needs to be installed on a web server. Web designers and developers require access to the files on the server to update templates, website logic, and perform upgrades or maintenance.
Web server software requirements
- PHP 5.3.2+
- We recommend using a PHP accelerator or opcode cache, such as xcache or WinCache.
- Allocate at least 48MB of memory to each PHP process. (SilverStripe can be resource hungry for some intensive operations.)
- Required modules: dom, gd2, hash, iconv, mbstring, mysql (or other database driver), session, simplexml, tokenizer, xml.
- Recommended configuration:
safe_mode = Off
magic_quotes_gpc = Off
memory_limit = 48MSee phpinfo() for more information about your environment
- One of the following databases:
- MySQL 5.0+
- PostgreSQL 8.3+ (requires "postgresql" module)
- SQL Server 2008. (requires "mssql" module)
- Support for Oracle and SQLite is not commercially supported, but is under development by our open source community.
- One of the following web server products:
- Apache 1.3+ with mod_rewrite and "AllowOverride All" set
- IIS 5.x+ (Version 7.5+ and URL Rewrite Module recommended)
- Support for Lighttpd and other webservers may work if you are familiar with configuring those products.
- One of the following operating systems:
- Microsoft Windows XP SP3, Vista, Windows 7, Server 2008, Server 2008 R2
- Mac OS X 10.4+
Web server hardware requirements
Hardware requirements vary widely depending on the traffic to your website, the complexity of its logic (i.e. PHP), and its size (i.e. database). By default, all pages are dynamic, and thus access both the database and execute PHP code to generate. SilverStripe Framework can cache full pages and segments of templates to dramatically increase performance.
A typical website page on a conservative single CPU machine (e.g., Intel 2Ghz) takes roughly 300ms to generate. This comfortably allows over a million page views per month. Caching and other optimisations can improve this by a factor of ten or even one hundred times. SilverStripe Framework can be used in multiple-server architectures to improve scalability and redundancy.