Class: Sidekiq::Metrics::Query

Inherits:
Object
  • Object
show all
Defined in:
lib/sidekiq/metrics/query.rb

Overview

Allows caller to query for Sidekiq execution metrics within Redis. Caller sets a set of attributes to act as filters. #fetch will call Redis and return a Hash of results.

NB: all metrics and times/dates are UTC only. We specifically do not support timezones.

Defined Under Namespace

Classes: JobResult, MarkResult, Result

Instance Method Summary collapse

Constructor Details

#initialize(pool: nil, now: Time.now) ⇒ Query

Returns a new instance of Query.



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# File 'lib/sidekiq/metrics/query.rb', line 18

def initialize(pool: nil, now: Time.now)
  @time = now.utc
  @pool = pool || Sidekiq.default_configuration.redis_pool
  @klass = nil
end

Instance Method Details

#for_job(klass, minutes: 60) ⇒ Object 



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# File 'lib/sidekiq/metrics/query.rb', line 56

def for_job(klass, minutes: 60)
  result = Result.new

  time = @time
  redis_results = @pool.with do |conn|
    conn.pipelined do |pipe|
      minutes.times do |idx|
        key = "j|#{time.strftime("%Y%m%d")}|#{time.hour}:#{time.min}"
        pipe.hmget key, "#{klass}|ms", "#{klass}|p", "#{klass}|f"
        result.prepend_bucket time
        time -= 60
      end
    end
  end

  time = @time
  @pool.with do |conn|
    redis_results.each do |(ms, p, f)|
      result.job_results[klass].add_metric "ms", time, ms.to_i if ms
      result.job_results[klass].add_metric "p", time, p.to_i if p
      result.job_results[klass].add_metric "f", time, f.to_i if f
      result.job_results[klass].add_hist time, Histogram.new(klass).fetch(conn, time).reverse
      time -= 60
    end
  end

  result.marks = fetch_marks(result.starts_at..result.ends_at)

  result
end

#top_jobs(class_filter: nil, minutes: 60) ⇒ Object

Get metric data for all jobs from the last hour

+class_filter+: return only results for classes matching filter



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# File 'lib/sidekiq/metrics/query.rb', line 26

def top_jobs(class_filter: nil, minutes: 60)
  result = Result.new

  time = @time
  redis_results = @pool.with do |conn|
    conn.pipelined do |pipe|
      minutes.times do |idx|
        key = "j|#{time.strftime("%Y%m%d")}|#{time.hour}:#{time.min}"
        pipe.hgetall key
        result.prepend_bucket time
        time -= 60
      end
    end
  end

  time = @time
  redis_results.each do |hash|
    hash.each do |k, v|
      kls, metric = k.split("|")
      next if class_filter && !class_filter.match?(kls)
      result.job_results[kls].add_metric metric, time, v.to_i
    end
    time -= 60
  end

  result.marks = fetch_marks(result.starts_at..result.ends_at)

  result
end