foundationdb/fdbserver/workloads/LockDatabaseFrequently.cpp

70 lines
2.3 KiB
C++

/*
* LockDatabaseFrequently.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2026 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "fdbclient/NativeAPI.actor.h"
#include "fdbserver/tester/workloads.h"
#include "fdbclient/ManagementAPI.h"
struct LockDatabaseFrequentlyWorkload : TestWorkload {
static constexpr auto NAME = "LockDatabaseFrequently";
double delayBetweenLocks;
double testDuration;
PerfIntCounter lockCount{ "LockCount" };
explicit LockDatabaseFrequentlyWorkload(WorkloadContext const& wcx) : TestWorkload(wcx) {
delayBetweenLocks = getOption(options, "delayBetweenLocks"_sr, 0.1);
testDuration = getOption(options, "testDuration"_sr, 60);
}
Future<Void> setup(Database const& cx) override { return Void(); }
Future<Void> start(Database const& cx) override { return clientId == 0 ? worker(cx) : Void(); }
Future<bool> check(Database const& cx) override { return true; }
void getMetrics(std::vector<PerfMetric>& m) override {
if (clientId == 0) {
m.push_back(lockCount.getMetric());
}
}
Future<Void> worker(Database cx) {
Future<Void> end = delay(testDuration);
double lastLock = g_network->now();
double lastUnlock = g_network->now() + delayBetweenLocks / 2;
while (true) {
co_await lockAndUnlock(cx, &lastLock, &lastUnlock);
++lockCount;
if (end.isReady()) {
co_return;
}
}
}
Future<Void> lockAndUnlock(Database cx, double* lastLock, double* lastUnlock) {
UID uid = deterministicRandom()->randomUniqueID();
co_await (lockDatabase(cx, uid) && poisson(lastLock, delayBetweenLocks));
co_await (unlockDatabase(cx, uid) && poisson(lastUnlock, delayBetweenLocks));
}
};
WorkloadFactory<LockDatabaseFrequentlyWorkload> LockDatabaseFrequentlyWorkloadFactory;