Module: SidekiqInsight::Metrics

Defined in:
lib/sidekiq_insight/metrics.rb

Class Method Summary collapse

Class Method Details

.detect_leak(samples) ⇒ Object 



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# File 'lib/sidekiq_insight/metrics.rb', line 3

def self.detect_leak(samples)
  return false if samples.nil? || samples.size < 6
  # use first half vs last half
  half = samples.size / 2
  first = samples[0, half].map { |s| s[:rss_kb].to_f }
  last  = samples[half, half].map { |s| s[:rss_kb].to_f }
  return false if first.empty? || last.empty?
  first_avg = first.sum / first.size
  last_avg  = last.sum / last.size
  (last_avg - first_avg) > (first_avg * 0.2) # >20% increase indicates suspect
end