StatsD::DefaultInstrumentation

A set of instrumentation for Rails and common libraries.

Configuration

Rails 3 works out of the box. Other frameworks must run StatsD::DefaultInstrumentation.detect! after loading the app's libraries.

The following options are supported and are configured with StatsD::DefaultInstrumentation.option = value

  • prefix: Sets the stat name prefix string. By default this "rails_env.your_app_name" in Rails 3, or "default_instrumentation" in other frameworks.

Instrumentation

ActionController

  • Count of requests grouped by response code. Example: requests.200

MemCache

Supported clients: memcache-client, memcached

  • Timing of each operation. Example: memcache.set
  • Count of hits/misses for get operations as memcache.hit and memcache.miss

Redis

Supported clients: redis-rb

  • Timing of each operation. Example: redis.get