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quota_metrics_ut.cpp
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#include "quota_metrics.h"
#include <cloud/storage/core/libs/common/timer_test.h>
#include <cloud/storage/core/libs/diagnostics/monitoring.h>
#include <library/cpp/monlib/dynamic_counters/counters.h>
#include <library/cpp/testing/unittest/registar.h>
#include <util/system/mutex.h>
#include <util/thread/factory.h>
#include <semaphore>
namespace NCloud::NBlockStore {
////////////////////////////////////////////////////////////////////////////////
Y_UNIT_TEST_SUITE(TQuotaMetricsTest)
{
Y_UNIT_TEST(ShouldNotCrushOnNullptrRegister)
{
TUsedQuotaMetrics usedQuotaMetrics(CreateWallClockTimer());
usedQuotaMetrics.Register(nullptr);
usedQuotaMetrics.UpdateQuota(5);
usedQuotaMetrics.UpdateMaxQuota();
usedQuotaMetrics.UpdateMaxQuota(15);
}
Y_UNIT_TEST(ShouldNotRaceOnRegisterUpdateAndUnregister)
{
auto monitoring = CreateMonitoringServiceStub();
auto counters = monitoring->GetCounters();
TUsedQuotaMetrics metrics(CreateWallClockTimer());
const ui32 total = 42;
ui32 waiting = 0;
TMutex mutex;
std::counting_semaphore<total> semaphore(0);
TVector<THolder<IThreadFactory::IThread>> workers;
for (size_t i = 0; i < total; ++i) {
workers.push_back(SystemThreadFactory()->Run(
[&metrics, counters, i, &mutex, &waiting, &semaphore]()
{
with_lock (mutex) {
++waiting;
if (waiting == total) {
semaphore.release(total);
}
}
semaphore.acquire();
switch (i % 21) {
case 0: {
metrics.Register(std::move(counters));
metrics.Unregister();
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota();
metrics.UpdateMaxQuota(i);
break;
}
case 1: {
metrics.Unregister();
metrics.Register(std::move(counters));
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota();
metrics.UpdateMaxQuota(i);
break;
}
case 2: {
metrics.Unregister();
metrics.UpdateQuota(i);
metrics.Register(std::move(counters));
metrics.UpdateMaxQuota();
metrics.UpdateMaxQuota(i);
break;
}
case 3: {
metrics.Unregister();
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota();
metrics.Register(std::move(counters));
metrics.UpdateMaxQuota(i);
break;
}
case 4: {
metrics.Unregister();
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota();
metrics.UpdateMaxQuota(i);
metrics.Register(std::move(counters));
break;
}
case 5: {
metrics.Unregister();
metrics.Register(std::move(counters));
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota();
metrics.UpdateMaxQuota(i);
break;
}
case 6: {
metrics.Register(std::move(counters));
metrics.UpdateQuota(i);
metrics.Unregister();
metrics.UpdateMaxQuota();
metrics.UpdateMaxQuota(i);
break;
}
case 7: {
metrics.Register(std::move(counters));
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota();
metrics.Unregister();
metrics.UpdateMaxQuota(i);
break;
}
case 8: {
metrics.Register(std::move(counters));
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota();
metrics.UpdateMaxQuota(i);
metrics.Unregister();
break;
}
case 9: {
metrics.UpdateQuota(i);
metrics.Register(std::move(counters));
metrics.Unregister();
metrics.UpdateMaxQuota();
metrics.UpdateMaxQuota(i);
break;
}
case 10: {
metrics.Register(std::move(counters));
metrics.UpdateQuota(i);
metrics.Unregister();
metrics.UpdateMaxQuota();
metrics.UpdateMaxQuota(i);
break;
}
case 11: {
metrics.Register(std::move(counters));
metrics.Unregister();
metrics.UpdateMaxQuota();
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota(i);
break;
}
case 12: {
metrics.Register(std::move(counters));
metrics.Unregister();
metrics.UpdateMaxQuota();
metrics.UpdateMaxQuota(i);
metrics.UpdateQuota(i);
break;
}
case 13: {
metrics.UpdateMaxQuota();
metrics.Register(std::move(counters));
metrics.Unregister();
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota(i);
break;
}
case 14: {
metrics.Register(std::move(counters));
metrics.UpdateMaxQuota();
metrics.Unregister();
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota(i);
break;
}
case 15: {
metrics.Register(std::move(counters));
metrics.Unregister();
metrics.UpdateMaxQuota();
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota(i);
break;
}
case 16: {
metrics.Register(std::move(counters));
metrics.Unregister();
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota(i);
metrics.UpdateMaxQuota();
break;
}
case 17: {
metrics.UpdateMaxQuota(i);
metrics.Register(std::move(counters));
metrics.Unregister();
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota();
break;
}
case 18: {
metrics.Register(std::move(counters));
metrics.UpdateMaxQuota(i);
metrics.Unregister();
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota();
break;
}
case 19: {
metrics.Register(std::move(counters));
metrics.Unregister();
metrics.UpdateMaxQuota(i);
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota();
break;
}
case 20: {
metrics.Register(std::move(counters));
metrics.Unregister();
metrics.UpdateQuota(i);
metrics.UpdateMaxQuota(i);
metrics.UpdateMaxQuota();
break;
}
default: break;
}
}));
}
for (auto& worker: workers) {
worker->Join();
}
}
Y_UNIT_TEST(ShouldNotTrackQuotaMetricsBeforeRegister)
{
auto monitoring = CreateMonitoringServiceStub();
auto totalCounters = monitoring->GetCounters();
TUsedQuotaMetrics usedQuotaMetrics(CreateWallClockTimer());
auto usedQuotaCounter = totalCounters->FindCounter("UsedQuota");
auto maxUsedQuotaCounter = totalCounters->FindCounter("MaxUsedQuota");
UNIT_ASSERT_C(
!usedQuotaCounter,
"usedQuotaCounter should not be initialized");
UNIT_ASSERT_C(
!maxUsedQuotaCounter,
"maxUsedQuotaCounter should not be initialized");
usedQuotaMetrics.UpdateQuota(10);
usedQuotaMetrics.UpdateMaxQuota();
usedQuotaCounter = totalCounters->FindCounter("UsedQuota");
maxUsedQuotaCounter = totalCounters->FindCounter("MaxUsedQuota");
UNIT_ASSERT_C(
!usedQuotaCounter,
"usedQuotaCounter should not be initialized");
UNIT_ASSERT_C(
!maxUsedQuotaCounter,
"maxUsedQuotaCounter should not be initialized");
usedQuotaMetrics.Register(monitoring->GetCounters());
usedQuotaCounter = totalCounters->FindCounter("UsedQuota");
maxUsedQuotaCounter = totalCounters->FindCounter("MaxUsedQuota");
UNIT_ASSERT_C(
usedQuotaCounter,
"usedQuotaCounter should be initialized");
UNIT_ASSERT_C(
maxUsedQuotaCounter,
"maxUsedQuotaCounter should be initialized");
UNIT_ASSERT_VALUES_EQUAL(0, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(0, maxUsedQuotaCounter->Val());
usedQuotaMetrics.UpdateQuota(5);
usedQuotaMetrics.UpdateMaxQuota();
UNIT_ASSERT_VALUES_EQUAL(5, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(5, maxUsedQuotaCounter->Val());
}
Y_UNIT_TEST(ShouldUnregisterAfterSnapshotReading)
{
auto monitoring = CreateMonitoringServiceStub();
auto totalCounters = monitoring->GetCounters();
TUsedQuotaMetrics usedQuotaMetrics(CreateWallClockTimer());
usedQuotaMetrics.Register(monitoring->GetCounters());
usedQuotaMetrics.UpdateQuota(10);
usedQuotaMetrics.UpdateMaxQuota();
{
auto usedQuotaCounter =
totalCounters->FindCounter("UsedQuota");
auto maxUsedQuotaCounter =
totalCounters->FindCounter("MaxUsedQuota");
UNIT_ASSERT_C(
usedQuotaCounter,
"usedQuotaCounter should be initialized");
UNIT_ASSERT_C(
maxUsedQuotaCounter,
"maxUsedQuotaCounter should be initialized");
UNIT_ASSERT_VALUES_EQUAL(10, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(10, maxUsedQuotaCounter->Val());
}
usedQuotaMetrics.Unregister();
{
auto usedQuotaCounter =
totalCounters->FindCounter("UsedQuota");
auto maxUsedQuotaCounter =
totalCounters->FindCounter("MaxUsedQuota");
UNIT_ASSERT_C(
!usedQuotaCounter,
"usedQuotaCounter should not be initialized");
UNIT_ASSERT_C(
!maxUsedQuotaCounter,
"maxUsedQuotaCounter should not be initialized");
}
totalCounters->ReadSnapshot();
{
auto usedQuotaCounter =
totalCounters->FindCounter("UsedQuota");
auto maxUsedQuotaCounter =
totalCounters->FindCounter("MaxUsedQuota");
UNIT_ASSERT_C(
!usedQuotaCounter,
"usedQuotaCounter should not be initialized");
UNIT_ASSERT_C(
!maxUsedQuotaCounter,
"maxUsedQuotaCounter should not be initialized");
}
}
Y_UNIT_TEST(ShouldCorrectlyTrackQuotaMetrics)
{
auto monitoring = CreateMonitoringServiceStub();
auto totalCounters = monitoring->GetCounters();
TUsedQuotaMetrics usedQuotaMetrics(CreateWallClockTimer());
usedQuotaMetrics.Register(totalCounters);
auto usedQuotaCounter = totalCounters->FindCounter("UsedQuota");
auto maxUsedQuotaCounter = totalCounters->FindCounter("MaxUsedQuota");
UNIT_ASSERT_C(
usedQuotaCounter,
"usedQuotaCounter should be initialized");
UNIT_ASSERT_C(
maxUsedQuotaCounter,
"maxUsedQuotaCounter should not be initialized");
usedQuotaMetrics.UpdateQuota(10);
usedQuotaMetrics.UpdateMaxQuota();
UNIT_ASSERT_VALUES_EQUAL(10, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(10, maxUsedQuotaCounter->Val());
usedQuotaMetrics.UpdateQuota(5);
usedQuotaMetrics.UpdateMaxQuota();
UNIT_ASSERT_VALUES_EQUAL(5, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(10, maxUsedQuotaCounter->Val());
usedQuotaMetrics.UpdateQuota(15);
usedQuotaMetrics.UpdateMaxQuota();
UNIT_ASSERT_VALUES_EQUAL(15, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(15, maxUsedQuotaCounter->Val());
usedQuotaMetrics.UpdateQuota(5);
usedQuotaMetrics.UpdateMaxQuota();
UNIT_ASSERT_VALUES_EQUAL(5, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(15, maxUsedQuotaCounter->Val());
usedQuotaMetrics.UpdateQuota(10);
usedQuotaMetrics.UpdateMaxQuota();
UNIT_ASSERT_VALUES_EQUAL(10, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(15, maxUsedQuotaCounter->Val());
}
Y_UNIT_TEST(ShouldCorrectlyTrackExternalMaxUsedQuotaMetrics)
{
auto monitoring = CreateMonitoringServiceStub();
auto totalCounters = monitoring->GetCounters();
TUsedQuotaMetrics usedQuotaMetrics(CreateWallClockTimer());
usedQuotaMetrics.Register(totalCounters);
auto usedQuotaCounter = totalCounters->FindCounter("UsedQuota");
auto maxUsedQuotaCounter = totalCounters->FindCounter("MaxUsedQuota");
UNIT_ASSERT_C(
usedQuotaCounter,
"usedQuotaCounter should be initialized");
UNIT_ASSERT_C(
maxUsedQuotaCounter,
"maxUsedQuotaCounter should not be initialized");
usedQuotaMetrics.UpdateQuota(10);
usedQuotaMetrics.UpdateMaxQuota();
UNIT_ASSERT_VALUES_EQUAL(10, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(10, maxUsedQuotaCounter->Val());
usedQuotaMetrics.UpdateQuota(5);
usedQuotaMetrics.UpdateMaxQuota(25);
UNIT_ASSERT_VALUES_EQUAL(5, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(25, maxUsedQuotaCounter->Val());
usedQuotaMetrics.UpdateQuota(15);
usedQuotaMetrics.UpdateMaxQuota();
UNIT_ASSERT_VALUES_EQUAL(15, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(15, maxUsedQuotaCounter->Val());
usedQuotaMetrics.UpdateQuota(5);
usedQuotaMetrics.UpdateMaxQuota(35);
UNIT_ASSERT_VALUES_EQUAL(5, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(35, maxUsedQuotaCounter->Val());
usedQuotaMetrics.UpdateQuota(10);
usedQuotaMetrics.UpdateMaxQuota();
UNIT_ASSERT_VALUES_EQUAL(10, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(15, maxUsedQuotaCounter->Val());
for (ui32 i = 0; i < 12; ++i) {
usedQuotaMetrics.UpdateQuota(10);
usedQuotaMetrics.UpdateMaxQuota();
}
usedQuotaMetrics.UpdateQuota(5);
usedQuotaMetrics.UpdateMaxQuota();
UNIT_ASSERT_VALUES_EQUAL(5, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(10, maxUsedQuotaCounter->Val());
usedQuotaMetrics.UpdateQuota(1);
usedQuotaMetrics.UpdateMaxQuota(40);
UNIT_ASSERT_VALUES_EQUAL(1, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(40, maxUsedQuotaCounter->Val());
usedQuotaMetrics.UpdateQuota(7);
usedQuotaMetrics.UpdateMaxQuota();
UNIT_ASSERT_VALUES_EQUAL(7, usedQuotaCounter->Val());
UNIT_ASSERT_VALUES_EQUAL(10, maxUsedQuotaCounter->Val());
}
Y_UNIT_TEST(ShouldCalculateMaxUsedQuotaOnlyForTheLatestFifteenTicks)
{
auto monitoring = CreateMonitoringServiceStub();
auto totalCounters = monitoring->GetCounters();
TUsedQuotaMetrics usedQuotaMetrics(CreateWallClockTimer());
usedQuotaMetrics.Register(totalCounters);
auto usedQuotaCounter = totalCounters->FindCounter("UsedQuota");
UNIT_ASSERT_C(
usedQuotaCounter,
"usedQuotaCounter should be initialized");
auto maxUsedQuotaCounter = totalCounters->FindCounter("MaxUsedQuota");
UNIT_ASSERT_C(
maxUsedQuotaCounter,
"maxUsedQuotaCounter should not be initialized");
constexpr ui32 seconds = 15;
constexpr ui32 requestsPerSecond = 100;
constexpr ui32 requests = seconds * requestsPerSecond;
for (ui32 i = 1; i <= requests; ++i) {
usedQuotaMetrics.UpdateQuota(requests - i + 1);
if (i % requestsPerSecond == 0) {
usedQuotaMetrics.UpdateMaxQuota();
UNIT_ASSERT_VALUES_EQUAL(requests, maxUsedQuotaCounter->Val());
}
}
UNIT_ASSERT_VALUES_EQUAL(requests, maxUsedQuotaCounter->Val());
for (size_t i = 1; i <= requests; ++i) {
usedQuotaMetrics.UpdateQuota(i);
if (i % requestsPerSecond == 0) {
usedQuotaMetrics.UpdateMaxQuota();
UNIT_ASSERT_VALUES_EQUAL(
Max(i, requests - i),
maxUsedQuotaCounter->Val());
}
}
UNIT_ASSERT_VALUES_EQUAL(requests, maxUsedQuotaCounter->Val());
}
}
} // namespace NCloud::NBlockStore