Reduce hash allocations

Author: sl0thentr0py

sentry-ruby/lib/sentry/log_event.rb

@@ -12,7 +12,6 @@ class LogEvent
     TYPE = "log"
 
     DEFAULT_PARAMETERS = [].freeze
-    DEFAULT_ATTRIBUTES = {}.freeze
 
     PARAMETER_PREFIX = "sentry.message.parameter"
 
@@ -29,7 +28,7 @@ def initialize(**options)
       @level = options.fetch(:level)
       @body = options[:body]
       @template = @body if is_template?
-      @attributes = options[:attributes] || DEFAULT_ATTRIBUTES
+      @attributes = options[:attributes] || {}
       @origin = options[:origin]
       @trace_id = nil
       @span_id = nil

sentry-ruby/lib/sentry/metric_event.rb

@@ -6,8 +6,6 @@ module Sentry
   class MetricEvent
     include Sentry::Utils::TelemetryAttributes
 
-    DEFAULT_ATTRIBUTES = {}.freeze
-
     attr_reader :name, :type, :value, :unit, :timestamp, :trace_id, :span_id, :attributes
     attr_writer :trace_id, :span_id, :attributes
 
@@ -22,7 +20,7 @@ def initialize(
       @type = type
       @value = value
       @unit = unit
-      @attributes = attributes || DEFAULT_ATTRIBUTES
+      @attributes = attributes || {}
 
       @timestamp = Sentry.utc_now
       @trace_id = nil

sentry-ruby/lib/sentry/scope.rb

@@ -109,7 +109,7 @@ def apply_to_telemetry(telemetry)
         "server.address" => configuration.server_name
       }.compact
 
-      telemetry.attributes = default_attributes.merge(telemetry.attributes)
+      default_attributes.each { |k, v| telemetry.attributes[k] = v unless telemetry.attributes.key?(k) }
 
       if configuration.send_default_pii && !user.empty?
         user_attributes = {
@@ -118,7 +118,7 @@ def apply_to_telemetry(telemetry)
           "user.email" => user[:email]
         }.compact
 
-        telemetry.attributes = user_attributes.merge(telemetry.attributes)
+        user_attributes.each { |k, v| telemetry.attributes[k] = v unless telemetry.attributes.key?(k) }
       end
 
       telemetry