433 lines
19 KiB
C++
433 lines
19 KiB
C++
/*
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* ClusterHealthMonitorTesting.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2026 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <map>
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#include "fdbserver/core/RecoveryState.h"
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#include "flow/UnitTest.h"
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#include "ClusterHealthIFactor.h"
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#include "ClusterHealthMonitor.h"
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namespace cluster_health {
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namespace {
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class FakeWorkerEventProvider final : public IWorkerEventProvider, public ReferenceCounted<FakeWorkerEventProvider> {
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Optional<RecoveryState> recoveryState;
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bool storageTeamOneReplicaLeftIsCritical = false;
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Optional<bool> allCoordinatorsReachable;
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std::map<std::string, LatestWorkerEvents> latestEventsByName;
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std::map<std::string, LatestWorkerEvents> latestRatekeeperEventsByName;
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std::map<std::string, LatestWorkerEvents> latestDataDistributorEventsByName;
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std::map<std::string, LatestWorkerEvents> latestStorageServerEventsByName;
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std::map<std::string, LatestWorkerEvents> latestTLogEventsByName;
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public:
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void addref() const override { ReferenceCounted<FakeWorkerEventProvider>::addref(); }
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void delref() const override { ReferenceCounted<FakeWorkerEventProvider>::delref(); }
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void setLatestEvents(std::string eventName, LatestWorkerEvents latestEvents) {
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latestEventsByName[std::move(eventName)] = std::move(latestEvents);
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}
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void setRecoveryState(RecoveryState recoveryState) { this->recoveryState = recoveryState; }
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void setStorageTeamOneReplicaLeftIsCritical(bool storageTeamOneReplicaLeftIsCritical) {
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this->storageTeamOneReplicaLeftIsCritical = storageTeamOneReplicaLeftIsCritical;
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}
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void setAllCoordinatorsReachable(bool allCoordinatorsReachable) {
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this->allCoordinatorsReachable = allCoordinatorsReachable;
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}
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void setLatestRatekeeperEvents(std::string eventName, LatestWorkerEvents latestEvents) {
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latestRatekeeperEventsByName[std::move(eventName)] = std::move(latestEvents);
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}
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void setLatestDataDistributorEvents(std::string eventName, LatestWorkerEvents latestEvents) {
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latestDataDistributorEventsByName[std::move(eventName)] = std::move(latestEvents);
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}
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void setLatestStorageServerEvents(std::string eventName, LatestWorkerEvents latestEvents) {
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latestStorageServerEventsByName[std::move(eventName)] = std::move(latestEvents);
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}
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void setLatestTLogEvents(std::string eventName, LatestWorkerEvents latestEvents) {
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latestTLogEventsByName[std::move(eventName)] = std::move(latestEvents);
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}
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AsyncResult<LatestWorkerEvents> getLatestEvents(std::string const& eventName) const override {
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auto it = latestEventsByName.find(eventName);
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if (it == latestEventsByName.end()) {
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co_return LatestWorkerEvents();
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}
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co_return it->second;
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}
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Optional<RecoveryState> getRecoveryState() const override { return recoveryState; }
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bool shouldTreatStorageTeamOneReplicaLeftAsCritical() const override { return storageTeamOneReplicaLeftIsCritical; }
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AsyncResult<Optional<bool>> areAllCoordinatorsReachable() const override { co_return allCoordinatorsReachable; }
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AsyncResult<LatestWorkerEvents> getLatestRatekeeperEvents(std::string const& eventName) const override {
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auto it = latestRatekeeperEventsByName.find(eventName);
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if (it != latestRatekeeperEventsByName.end()) {
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co_return it->second;
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}
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co_return co_await getLatestEvents(eventName);
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}
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AsyncResult<LatestWorkerEvents> getLatestDataDistributorEvents(std::string const& eventName) const override {
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auto it = latestDataDistributorEventsByName.find(eventName);
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if (it != latestDataDistributorEventsByName.end()) {
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co_return it->second;
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}
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co_return co_await getLatestEvents(eventName);
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}
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AsyncResult<LatestWorkerEvents> getLatestStorageServerEvents(std::string const& eventName) const override {
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auto it = latestStorageServerEventsByName.find(eventName);
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if (it == latestStorageServerEventsByName.end()) {
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co_return LatestWorkerEvents();
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}
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co_return it->second;
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}
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AsyncResult<LatestWorkerEvents> getLatestTLogEvents(std::string const& eventName) const override {
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auto it = latestTLogEventsByName.find(eventName);
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if (it == latestTLogEventsByName.end()) {
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co_return LatestWorkerEvents();
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}
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co_return it->second;
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}
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};
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TraceEventFields makeSpaceMetrics(std::string const& availableBytesField,
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std::string const& totalBytesField,
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double availableBytes,
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double totalBytes) {
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TraceEventFields traceEventFields;
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traceEventFields.addField(availableBytesField, std::to_string(availableBytes));
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traceEventFields.addField(totalBytesField, std::to_string(totalBytes));
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return traceEventFields;
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}
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LatestWorkerEvents makeLatestWorkerEvents(TraceEventFields traceEventFields) {
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WorkerEvents events;
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events.emplace(NetworkAddress(IPAddress(0x01010101), 1), std::move(traceEventFields));
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return LatestWorkerEvents(std::make_pair(std::move(events), std::set<std::string>{}));
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}
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LatestWorkerEvents makeLatestWorkerEvents(WorkerEvents events) {
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return LatestWorkerEvents(std::make_pair(std::move(events), std::set<std::string>{}));
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}
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LatestWorkerEvents makeLatestWorkerEvents(NetworkAddress address, TraceEventFields traceEventFields) {
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WorkerEvents events;
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events.emplace(address, std::move(traceEventFields));
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return LatestWorkerEvents(std::make_pair(std::move(events), std::set<std::string>{}));
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}
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LatestWorkerEvents makeLatestWorkerEvents(WorkerEvents events, std::set<std::string> errors) {
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return LatestWorkerEvents(std::make_pair(std::move(events), std::move(errors)));
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}
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class MovingDataMetricsBuilder {
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TraceEventFields traceEventFields;
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MovingDataMetricsBuilder& setField(char const* fieldName, int64_t value) {
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traceEventFields.addField(fieldName, std::to_string(value));
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return *this;
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}
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TraceEventFields buildWithDefault(char const* fieldName, int64_t defaultValue, TraceEventFields fields) const {
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std::string value;
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if (!fields.tryGetValue(fieldName, value)) {
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fields.addField(fieldName, std::to_string(defaultValue));
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}
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return fields;
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}
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public:
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MovingDataMetricsBuilder& inQueue(int64_t value) { return setField("InQueue", value); }
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MovingDataMetricsBuilder& inFlight(int64_t value) { return setField("InFlight", value); }
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MovingDataMetricsBuilder& priorityTeamUnhealthy(int64_t value) { return setField("PriorityTeamUnhealthy", value); }
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MovingDataMetricsBuilder& priorityTeam2Left(int64_t value) { return setField("PriorityTeam2Left", value); }
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MovingDataMetricsBuilder& priorityTeam1Left(int64_t value) { return setField("PriorityTeam1Left", value); }
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MovingDataMetricsBuilder& priorityTeam0Left(int64_t value) { return setField("PriorityTeam0Left", value); }
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TraceEventFields build() const {
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TraceEventFields fields = traceEventFields;
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fields = buildWithDefault("InQueue", 0, std::move(fields));
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fields = buildWithDefault("InFlight", 0, std::move(fields));
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fields = buildWithDefault("PriorityTeamUnhealthy", 0, std::move(fields));
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fields = buildWithDefault("PriorityTeam2Left", 0, std::move(fields));
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fields = buildWithDefault("PriorityTeam1Left", 0, std::move(fields));
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fields = buildWithDefault("PriorityTeam0Left", 0, std::move(fields));
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return fields;
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}
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};
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TraceEventFields makeProcessErrorMetrics(std::string const& type, std::string const& error) {
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TraceEventFields traceEventFields;
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traceEventFields.addField("Type", type);
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traceEventFields.addField("Error", error);
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return traceEventFields;
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}
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TraceEventFields makeRkUpdateMetrics(double releasedTps, double tpsLimit) {
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TraceEventFields traceEventFields;
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traceEventFields.addField("ReleasedTPS", std::to_string(releasedTps));
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traceEventFields.addField("TPSLimit", std::to_string(tpsLimit));
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return traceEventFields;
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}
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} // namespace
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TEST_CASE("/fdbserver/clustercontroller/ClusterHealthMonitor/StorageSpaceFactor") {
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StorageSpaceFactor factor(/*interventionThreshold=*/0.20, /*criticalInterventionThreshold=*/0.10);
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auto provider = makeReference<FakeWorkerEventProvider>();
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Level level;
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provider->setLatestStorageServerEvents(
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"StorageMetrics",
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makeLatestWorkerEvents(makeSpaceMetrics("KvstoreBytesAvailable", "KvstoreBytesTotal", 50, 100)));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::HEALTHY);
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provider->setLatestStorageServerEvents(
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"StorageMetrics",
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makeLatestWorkerEvents(makeSpaceMetrics("KvstoreBytesAvailable", "KvstoreBytesTotal", 15, 100)));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::INTERVENTION_REQUIRED);
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provider->setLatestStorageServerEvents(
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"StorageMetrics",
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makeLatestWorkerEvents(makeSpaceMetrics("KvstoreBytesAvailable", "KvstoreBytesTotal", 5, 100)));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::CRITICAL_INTERVENTION_REQUIRED);
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WorkerEvents mixedRoleEvents;
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mixedRoleEvents.emplace(NetworkAddress(IPAddress(0x01010101), 1), TraceEventFields());
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mixedRoleEvents.emplace(NetworkAddress(IPAddress(0x02020202), 2),
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makeSpaceMetrics("KvstoreBytesAvailable", "KvstoreBytesTotal", 50, 100));
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provider->setLatestStorageServerEvents("StorageMetrics", makeLatestWorkerEvents(std::move(mixedRoleEvents)));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::HEALTHY);
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provider->setLatestStorageServerEvents("StorageMetrics", LatestWorkerEvents());
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::METRICS_MISSING);
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}
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TEST_CASE("/fdbserver/clustercontroller/ClusterHealthMonitor/TLogSpaceFactor") {
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TLogSpaceFactor factor(/*interventionThreshold=*/0.20, /*criticalInterventionThreshold=*/0.10);
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auto provider = makeReference<FakeWorkerEventProvider>();
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Level level;
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provider->setLatestTLogEvents(
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"TLogMetrics",
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makeLatestWorkerEvents(makeSpaceMetrics("QueueDiskBytesAvailable", "QueueDiskBytesTotal", 50, 100)));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::HEALTHY);
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provider->setLatestTLogEvents(
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"TLogMetrics",
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makeLatestWorkerEvents(makeSpaceMetrics("QueueDiskBytesAvailable", "QueueDiskBytesTotal", 15, 100)));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::INTERVENTION_REQUIRED);
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provider->setLatestTLogEvents(
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"TLogMetrics",
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makeLatestWorkerEvents(makeSpaceMetrics("QueueDiskBytesAvailable", "QueueDiskBytesTotal", 5, 100)));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::CRITICAL_INTERVENTION_REQUIRED);
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provider->setLatestTLogEvents("TLogMetrics", LatestWorkerEvents());
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::METRICS_MISSING);
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}
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TEST_CASE("/fdbserver/clustercontroller/ClusterHealthMonitor/StorageReplicationFactor") {
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StorageReplicationFactor factor;
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auto provider = makeReference<FakeWorkerEventProvider>();
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Level level;
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provider->setLatestEvents("MovingData", makeLatestWorkerEvents(MovingDataMetricsBuilder().build()));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::HEALTHY);
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provider->setLatestEvents(
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"MovingData", makeLatestWorkerEvents(MovingDataMetricsBuilder().inQueue(1).priorityTeamUnhealthy(1).build()));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::SELF_HEALING);
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provider->setLatestEvents(
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"MovingData", makeLatestWorkerEvents(MovingDataMetricsBuilder().inFlight(1).priorityTeam1Left(1).build()));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::SELF_HEALING);
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provider->setStorageTeamOneReplicaLeftIsCritical(true);
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::CRITICAL_INTERVENTION_REQUIRED);
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provider->setLatestEvents(
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"MovingData", makeLatestWorkerEvents(MovingDataMetricsBuilder().inQueue(1).priorityTeam0Left(1).build()));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::OUTAGE);
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WorkerEvents staleWorkerEvents;
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staleWorkerEvents.emplace(NetworkAddress(IPAddress(0x01010101), 1),
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MovingDataMetricsBuilder().inQueue(1).priorityTeam0Left(1).build());
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staleWorkerEvents.emplace(NetworkAddress(IPAddress(0x02020202), 2), MovingDataMetricsBuilder().build());
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provider->setLatestEvents("MovingData", makeLatestWorkerEvents(std::move(staleWorkerEvents)));
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provider->setLatestDataDistributorEvents(
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"MovingData",
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makeLatestWorkerEvents(NetworkAddress(IPAddress(0x02020202), 2), MovingDataMetricsBuilder().build()));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::HEALTHY);
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provider->setLatestEvents("MovingData", LatestWorkerEvents());
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provider->setLatestDataDistributorEvents("MovingData", LatestWorkerEvents());
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::METRICS_MISSING);
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}
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TEST_CASE("/fdbserver/clustercontroller/ClusterHealthMonitor/RecoveryStateFactor") {
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RecoveryStateFactor factor;
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auto provider = makeReference<FakeWorkerEventProvider>();
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Level level;
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provider->setRecoveryState(RecoveryState::FULLY_RECOVERED);
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::HEALTHY);
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provider->setRecoveryState(RecoveryState::ACCEPTING_COMMITS);
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::SELF_HEALING);
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provider->setRecoveryState(RecoveryState::ALL_LOGS_RECRUITED);
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::SELF_HEALING);
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provider->setRecoveryState(RecoveryState::RECOVERY_TRANSACTION);
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::OUTAGE);
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provider->setRecoveryState(RecoveryState::FULLY_RECOVERED);
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::HEALTHY);
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auto missingProvider = makeReference<FakeWorkerEventProvider>();
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level = co_await factor.fetchLevel(missingProvider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::METRICS_MISSING);
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}
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TEST_CASE("/fdbserver/clustercontroller/ClusterHealthMonitor/CoordinatorReachabilityFactor") {
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CoordinatorReachabilityFactor factor;
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auto provider = makeReference<FakeWorkerEventProvider>();
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Level level;
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provider->setAllCoordinatorsReachable(true);
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::HEALTHY);
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provider->setAllCoordinatorsReachable(false);
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::INTERVENTION_REQUIRED);
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auto missingProvider = makeReference<FakeWorkerEventProvider>();
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level = co_await factor.fetchLevel(missingProvider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::METRICS_MISSING);
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}
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TEST_CASE("/fdbserver/clustercontroller/ClusterHealthMonitor/ProcessErrorsFactor") {
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ProcessErrorsFactor factor;
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auto provider = makeReference<FakeWorkerEventProvider>();
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Level level;
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provider->setLatestEvents("", makeLatestWorkerEvents(makeProcessErrorMetrics("OpenClusterIdError", "io_error")));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::CRITICAL_INTERVENTION_REQUIRED);
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WorkerEvents emptyLatestErrors;
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emptyLatestErrors.emplace(NetworkAddress(IPAddress(0x01010101), 1), TraceEventFields());
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provider->setLatestEvents("", makeLatestWorkerEvents(std::move(emptyLatestErrors)));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::HEALTHY);
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WorkerEvents partiallyFailedLatestErrors;
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partiallyFailedLatestErrors.emplace(NetworkAddress(IPAddress(0x01010101), 1), TraceEventFields());
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partiallyFailedLatestErrors.emplace(NetworkAddress(IPAddress(0x02020202), 2), TraceEventFields());
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provider->setLatestEvents("", makeLatestWorkerEvents(std::move(partiallyFailedLatestErrors), { "2.2.2.2:2" }));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::HEALTHY);
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provider->setLatestEvents("", makeLatestWorkerEvents(WorkerEvents(), { "1.1.1.1:1" }));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::METRICS_MISSING);
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provider->setLatestEvents("", LatestWorkerEvents());
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::METRICS_MISSING);
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}
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TEST_CASE("/fdbserver/clustercontroller/ClusterHealthMonitor/RkThrottlingFactor") {
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RkThrottlingFactor factor(/*criticalTpsLimitToReleasedTpsRatioThreshold=*/1.20);
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auto provider = makeReference<FakeWorkerEventProvider>();
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Level level;
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provider->setLatestEvents("RkUpdate", makeLatestWorkerEvents(makeRkUpdateMetrics(100, 125)));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::HEALTHY);
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provider->setLatestEvents("RkUpdate", makeLatestWorkerEvents(makeRkUpdateMetrics(100, 100)));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::CRITICAL_INTERVENTION_REQUIRED);
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provider->setLatestEvents("RkUpdate", makeLatestWorkerEvents(makeRkUpdateMetrics(0, 100)));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::HEALTHY);
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provider->setLatestEvents("RkUpdate", makeLatestWorkerEvents(makeRkUpdateMetrics(0, 0)));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::OUTAGE);
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WorkerEvents staleWorkerEvents;
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staleWorkerEvents.emplace(NetworkAddress(IPAddress(0x01010101), 1), makeRkUpdateMetrics(100, 0));
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staleWorkerEvents.emplace(NetworkAddress(IPAddress(0x02020202), 2), makeRkUpdateMetrics(100, 200));
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provider->setLatestEvents("RkUpdate", makeLatestWorkerEvents(std::move(staleWorkerEvents)));
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provider->setLatestRatekeeperEvents(
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"RkUpdate", makeLatestWorkerEvents(NetworkAddress(IPAddress(0x02020202), 2), makeRkUpdateMetrics(100, 200)));
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::HEALTHY);
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provider->setLatestEvents("RkUpdate", LatestWorkerEvents());
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provider->setLatestRatekeeperEvents("RkUpdate", LatestWorkerEvents());
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level = co_await factor.fetchLevel(provider, TrackCodeProbes::False);
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ASSERT_EQ(level, Level::METRICS_MISSING);
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|
}
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} // namespace cluster_health
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|
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void forceLinkClusterHealthMonitorTests() {}
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