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Contents
module ScoutApm
class RequestHistograms
DEFAULT_HISTOGRAM_SIZE = 50
# Private Accessor:
# A hash of Endpoint Name to an approximate histogram
#
# Each time a new request is requested to see if it's slow or not, we
# should insert it into the histogram, and get the approximate percentile
# of that time
attr_reader :histograms
private :histograms
attr_reader :histogram_size
def initialize(histogram_size = DEFAULT_HISTOGRAM_SIZE)
@histogram_size = histogram_size
initialize_histograms_hash
end
def each_name
@histograms.keys.each { |n| yield n }
end
def add(item, value)
@histograms[item].add(value)
end
def approximate_quantile_of_value(item, value)
@histograms[item].approximate_quantile_of_value(value)
end
def quantile(item, q)
@histograms[item].quantile(q)
end
# Wipes all histograms, setting them back to empty
def reset_all!
initialize_histograms_hash
end
def raw(item)
@histograms[item]
end
def initialize_histograms_hash
@histograms = Hash.new { |h, k| h[k] = NumericHistogram.new(histogram_size) }
end
end
end
Version data entries
92 entries across 92 versions & 1 rubygems