Rack OOM Killer

Post-request, will check the memory usage of the process and if it exceeds the configured amount (default 350m), exit. Try and exit nicely initially, after 10 seconds kill the process

Rails 3.x:

Gemfile:

gem "rack_oom_killer"

In application.rb

# max_mem optional
config.middleware.use = Rack::OOMKiller, :max_mem => 200

Sinatra:

Require and load gem as appropriate

# max_mem is optional
use Rack::OOMKiller, :max_mem => 200

Note, this executes after the request has been processed - if a single request blows out the memory usage too much, this isn't going to handle that.

Only tested on Linux and Mac. Highly unlikely to work on Windows.