Class: Lamby::ColdStartMetrics

Inherits:
Object
  • Object
show all
Defined in:
lib/lamby/cold_start_metrics.rb

Constant Summary collapse

NAMESPACE = 
'Lamby'

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(proactive_init) ⇒ ColdStartMetrics

Returns a new instance of ColdStartMetrics.



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# File 'lib/lamby/cold_start_metrics.rb', line 25

def initialize(proactive_init)
  @proactive_init = proactive_init
  @metrics = []
  @properties = {}
end

Class Method Details

.clear! ⇒ Object 



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# File 'lib/lamby/cold_start_metrics.rb', line 18

def clear!
  @cold_start = true
  @cold_start_time = (Time.now.to_f * 1000).to_i
end

.instrument! ⇒ Object 



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# File 'lib/lamby/cold_start_metrics.rb', line 10

def instrument!
  return unless @cold_start
  @cold_start = false
  now = (Time.now.to_f * 1000).to_i
  proactive_init = (now - @cold_start_time) > 10_000
  new(proactive_init).instrument!
end

Instance Method Details

#instrument! ⇒ Object 



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# File 'lib/lamby/cold_start_metrics.rb', line 31

def instrument!
  name = @proactive_init ? 'ProactiveInit' : 'ColdStart'
  put_metric name, 1, 'Count'
  puts JSON.dump(message)
end