foundationdb/fdbserver/workloads/LockDatabaseFrequently.acto...

74 lines
2.7 KiB
C++

/*
* LockDatabaseFrequently.actor.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2020 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/TesterInterface.actor.h"
#include "fdbserver/workloads/workloads.actor.h"
#include "fdbclient/ManagementAPI.actor.h"
#include "flow/actorcompiler.h" // This must be the last #include.
struct LockDatabaseFrequentlyWorkload : TestWorkload {
double delayBetweenLocks;
double testDuration;
PerfIntCounter lockCount{ "LockCount" };
LockDatabaseFrequentlyWorkload(WorkloadContext const& wcx) : TestWorkload(wcx) {
delayBetweenLocks = getOption(options, LiteralStringRef("delayBetweenLocks"), 0.1);
testDuration = getOption(options, LiteralStringRef("testDuration"), 60);
}
std::string description() override { return "LockDatabaseFrequently"; }
Future<Void> setup(Database const& cx) override { return Void(); }
Future<Void> start(Database const& cx) override { return clientId == 0 ? worker(this, cx) : Void(); }
Future<bool> check(Database const& cx) override { return true; }
void getMetrics(vector<PerfMetric>& m) override {
if (clientId == 0) {
m.push_back(lockCount.getMetric());
}
}
ACTOR static Future<Void> worker(LockDatabaseFrequentlyWorkload* self, Database cx) {
state Future<Void> end = delay(self->testDuration);
state double lastLock = g_network->now();
state double lastUnlock = g_network->now() + self->delayBetweenLocks / 2;
loop {
wait(lockAndUnlock(self, cx, &lastLock, &lastUnlock));
++self->lockCount;
if (end.isReady()) {
return Void();
}
}
}
ACTOR static Future<Void> lockAndUnlock(LockDatabaseFrequentlyWorkload* self, Database cx, double* lastLock,
double* lastUnlock) {
state UID uid = deterministicRandom()->randomUniqueID();
wait(lockDatabase(cx, uid) && poisson(lastLock, self->delayBetweenLocks));
wait(unlockDatabase(cx, uid) && poisson(lastUnlock, self->delayBetweenLocks));
return Void();
}
};
WorkloadFactory<LockDatabaseFrequentlyWorkload> LockDatabaseFrequentlyWorkloadFactory("LockDatabaseFrequently");