Class: CircleciTools::JobAnalyzer

Inherits:
Object
  • Object
show all
Defined in:
lib/circleci-tools/job_analyzer.rb

Constant Summary collapse

RESOURCE_RAM = 
{
  'small' => 2048,   # in MB
  'medium' => 4096,
  'medium+' => 6144,
  'large' => 8192,
  # Add other classes if necessary
}.freeze

Instance Method Summary collapse

Instance Method Details

#calculate_peak_ram(jobs:) ⇒ Object 



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# File 'lib/circleci-tools/job_analyzer.rb', line 13

def calculate_peak_ram(jobs:)
  events = []

  jobs.each do |job|
    next unless job['started_at'] && job['stopped_at']

    start = parse_time(job['started_at'])
    end_time = parse_time(job['stopped_at'])
    ram = get_ram_claim(job)

    events << { time: start, type: 'start', ram: ram }
    events << { time: end_time, type: 'end', ram: ram }
  end

  # Sort events by time; 'end' before 'start' if times are equal
  events.sort_by! { |event| [event[:time], event[:type] == 'end' ? 0 : 1] }

  current_ram = 0
  peak_ram = 0

  events.each do |event|
    if event[:type] == 'start'
      current_ram += event[:ram]
      peak_ram = [peak_ram, current_ram].max
    else
      current_ram -= event[:ram]
    end
  end

  peak_ram
end