Class: Judoscale::Sidekiq::MetricsCollector

Inherits:
JobMetricsCollector
  • Object
show all
Defined in:
lib/judoscale/sidekiq/metrics_collector.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.adapter_config ⇒ Object 



9
10
11
 
# File 'lib/judoscale/sidekiq/metrics_collector.rb', line 9

def self.adapter_config
  Judoscale::Config.instance.sidekiq
end

Instance Method Details

#collect ⇒ Object 



13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
 
# File 'lib/judoscale/sidekiq/metrics_collector.rb', line 13

def collect
  metrics = []
  time = Time.now.utc
  queues_by_name = ::Sidekiq::Queue.all.each_with_object({}) do |queue, obj|
    obj[queue.name] = queue
  end

  self.queues |= queues_by_name.keys

  if track_busy_jobs?
    busy_counts = Hash.new { |h, k| h[k] = 0 }
    ::Sidekiq::Workers.new.each do |pid, tid, work|
      # Sidekiq 7.2 added a new Sidekiq::Work type; hash access is deprecated
      payload = work.payload if work.respond_to?(:payload)
      payload ||= work["payload"]
      # payload is unparsed in Sidekiq 7
      payload = JSON.parse(payload) if payload.is_a?(String)
      busy_counts[payload["queue"]] += 1
    end
  end

  queues.each do |queue_name|
    queue = queues_by_name.fetch(queue_name) { |name| ::Sidekiq::Queue.new(name) }
    latency_ms = (queue.latency * 1000).ceil
    depth = queue.size

    metrics.push Metric.new(:qt, latency_ms, time, queue_name)
    metrics.push Metric.new(:qd, depth, time, queue_name)

    if track_busy_jobs?
      busy_count = busy_counts[queue_name]
      metrics.push Metric.new(:busy, busy_count, time, queue_name)
    end
  end

  log_collection(metrics)
  metrics
end