Currently the default is 'vmstats' and hardcoded. When multiple nodes are involved, custom prefix might be better. This patch introduces a backwards-compatible environment variable setting that allows to override this value.
…ge in statsderl's interface
This removes the percentage graph, a fickle one based on the sampling rate, and instead goes for two timers per scheduler. This instead puts the control of how to interpret the data in the hands of the person assembling graphs and should be more flexible.
- upgrading docs - changing the default delay to 1 second rather than 5 - bumping version to 0.2 - forcing a restart of the server in case of hot code loading; no ill effect otherwise The new scheduler wall time metric will add keys to StatsD, of the form 'BaseKey.scheduler_wall_time.<SchedulerId>'.