StatsD::DefaultInstrumentation

A set of instrumentation for Rails and common libraries.

Configuration

After loading your libraries run StatsD::DefaultInstrumentation.detect!. Rails apps should do this in an initializer.

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

  • prefix: Sets the stat name prefix string. By default this is "default_instrumentation" but should be configured to something like "environment.application".

Instrumentation

ActionController

  • Count of controller actions grouped by response code. Example: controllers.admin/users.create.200

MemCache

Supported clients: memcache-client, memcached

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

Redis

Supported clients: redis-rb

  • Count and timing of each operation. Example: redis.get.count, redis.get.time