Module NewRelic::Agent::Instrumentation::QueueTime
In: lib/new_relic/agent/instrumentation/queue_time.rb

newrelic.com/docs/features/tracking-front-end-time Record queue time metrics based on any of three headers which can be set on the request.

Methods

parse_frontend_timestamp   parse_timestamp   timestamp_string_from_header_value  

Constants

REQUEST_START_HEADER = 'HTTP_X_REQUEST_START'.freeze
QUEUE_START_HEADER = 'HTTP_X_QUEUE_START'.freeze
MIDDLEWARE_START_HEADER = 'HTTP_X_MIDDLEWARE_START'.freeze
ALL_QUEUE_METRIC = 'WebFrontend/QueueTime'.freeze
EARLIEST_ACCEPTABLE_TIME = Time.at(946684800)   any timestamps before this are thrown out and the parser will try again with a larger unit (2000/1/1 UTC)
CANDIDATE_HEADERS = [ REQUEST_START_HEADER, QUEUE_START_HEADER, MIDDLEWARE_START_HEADER
DIVISORS = [1_000_000, 1_000, 1]

Public Instance methods

[Validate]