From 7d2ae1328cf34873e4d73c3cb6fae750b3b7e213 Mon Sep 17 00:00:00 2001 From: Xavier Noria Date: Wed, 4 Nov 2015 13:03:41 +0100 Subject: document the evented file system monitor opt-in in the config guide [ci skip] --- guides/source/configuring.md | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'guides/source') diff --git a/guides/source/configuring.md b/guides/source/configuring.md index 28388e4957..3bb056493e 100644 --- a/guides/source/configuring.md +++ b/guides/source/configuring.md @@ -1149,3 +1149,25 @@ Disallow: / To block just specific pages, it's necessary to use a more complex syntax. Learn it on the [official documentation](http://www.robotstxt.org/robotstxt.html). + +Evented File System Monitor +--------------------------- + +If the [listen gem](https://github.com/guard/listen) is loaded Rails uses an +evented file system monitor to detect changes when `config.cache_classes` is +false: + +```ruby +group :development do + gem 'listen' +end +``` + +Otherwise, in every request Rails walks the application tree to check if +anything has changed. + +On Linux and Mac OS X no additional gems are needed, but some are required +[for *BSD](https://github.com/guard/listen#on-bsd) and +[for Windows](https://github.com/guard/listen#on-windows). + +Note that [some setups are unsupported](https://github.com/guard/listen#issues--limitations). -- cgit v1.2.3