def increment(stat, opts=EMPTY_OPTIONS)
      opts = {:sample_rate => opts} if opts.is_a? Numeric
      incr_value = opts.fetch(:by, 1)
      count stat, incr_value, opts
    end
def increment(stat, opts=EMPTY_OPTIONS)
      opts = {:sample_rate => opts} if opts.is_a? Numeric
      incr_value = opts.fetch(:by, 1)
      count stat, incr_value, opts
    end
Sends an increment (count = 1) for the given stat to the statsd server.

 @param [String] stat stat name
 @param [Hash] opts the options to create the metric with
 @option opts [Numeric] :sample_rate sample rate, 1 for always
 @option opts [Array<String>] :tags An array of tags
 @option opts [Numeric] :by increment value, default 1
 @see #count