Function BenchmarkGetNextRequest

pkg/scheduler/queue/queue_test.go:19–73

(b *testing.B)

)

func BenchmarkGetNextRequest(b *testing.B) {
	const maxOutstandingPerTenant = 2
	const numTenants = 50
	const queriers = 5

	queues := make([]*RequestQueue, 0, b.N)

	for b.Loop() {
		queue := NewRequestQueue(maxOutstandingPerTenant,
			prometheus.NewGaugeVec(prometheus.GaugeOpts{}, []string{"user", "priority", "type"}),
			prometheus.NewCounterVec(prometheus.CounterOpts{}, []string{"user", "priority"}),
			MockLimits{MaxOutstanding: 100},
			nil,
		)
		queues = append(queues, queue)

		for ix := range queriers {
			queue.RegisterQuerierConnection(fmt.Sprintf("querier-%d", ix))
		}

		for range maxOutstandingPerTenant {
			for j := range numTenants {
				userID := strconv.Itoa(j)

				err := queue.EnqueueRequest(userID, MockRequest{}, 0, nil)
				if err != nil {
					b.Fatal(err)
				}
			}
		}
	}

	ctx := context.Background()

	for i := 0; b.Loop(); i++ {
		idx := FirstUser()
		for range maxOutstandingPerTenant * numTenants {
			querier := ""
		b:
			// Find querier with at least one request to avoid blocking in getNextRequestForQuerier.
			for _, q := range queues[i].queues.userQueues {
				for qid := range q.queriers {
					querier = qid
					break b
				}
			}

			_, nidx, err := queues[i].GetNextRequestForQuerier(ctx, idx, querier)
			if err != nil {
				b.Fatal(err)
			}
			idx = nidx
		}
	}
}

func BenchmarkQueueRequest(b *testing.B) {
	const maxOutstandingPerTenant = 2