Contents

# -*- ruby -*-
# encoding: utf-8
# This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/rpm/blob/master/LICENSE for complete details.

require 'newrelic_rpm' unless defined?( NewRelic )
require 'new_relic/agent' unless defined?( NewRelic::Agent )
require 'new_relic/agent/event_aggregator'

module NewRelic
  module Agent
    class TransactionEventAggregator < EventAggregator

      named :TransactionEventAggregator
      capacity_key :'analytics_events.max_samples_stored'
      enabled_key :'analytics_events.enabled'

      def append event=nil, &blk
        raise ArgumentError, "Expected argument or block, but received both" if event && blk
        return unless enabled?

        @lock.synchronize do
          @buffer.append event, &blk
          notify_if_full
        end
      end

      private

      def after_harvest metadata
        return unless enabled?
        record_sampling_rate metadata
      end

      def record_sampling_rate(metadata) #THREAD_LOCAL_ACCESS
        NewRelic::Agent.logger.debug("Sampled %d / %d (%.1f %%) requests this cycle, %d / %d (%.1f %%) since startup" % [
          metadata[:captured],
          metadata[:seen],
          (metadata[:captured].to_f / metadata[:seen] * 100.0),
          metadata[:captured_lifetime],
          metadata[:seen_lifetime],
          (metadata[:captured_lifetime].to_f / metadata[:seen_lifetime] * 100.0)
        ])

        engine = NewRelic::Agent.instance.stats_engine
        engine.tl_record_supportability_metric_count("TransactionEventAggregator/requests", metadata[:seen])
        engine.tl_record_supportability_metric_count("TransactionEventAggregator/samples", metadata[:captured])
      end
    end
  end
end

Version data entries

21 entries across 21 versions & 2 rubygems

Version	Path
newrelic_rpm-3.14.2.312	lib/new_relic/agent/transaction_event_aggregator.rb