foundationdb/fdbserver/workloads/DDMetrics.actor.cpp

78 lines
2.8 KiB
C++

/*
* DDMetrics.actor.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2022 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/Status.h"
#include "fdbserver/QuietDatabase.h"
#include "fdbserver/ServerDBInfo.h"
#include "fdbserver/workloads/workloads.actor.h"
#include "flow/actorcompiler.h" // This must be the last #include.
struct DDMetricsWorkload : TestWorkload {
double startDelay, ddDone;
DDMetricsWorkload(WorkloadContext const& wcx) : TestWorkload(wcx), ddDone(0.0) {
startDelay = getOption(options, LiteralStringRef("beginPoll"), 10.0);
}
std::string description() const override { return "Data Distribution Metrics"; }
ACTOR Future<int> getHighPriorityRelocationsInFlight(Database cx, DDMetricsWorkload* self) {
WorkerInterface masterWorker = wait(getMasterWorker(cx, self->dbInfo));
TraceEvent("GetHighPriorityReliocationsInFlight").detail("Stage", "ContactingMaster");
TraceEventFields md = wait(
timeoutError(masterWorker.eventLogRequest.getReply(EventLogRequest(LiteralStringRef("MovingData"))), 1.0));
int relocations;
sscanf(md.getValue("UnhealthyRelocations").c_str(), "%d", &relocations);
return relocations;
}
ACTOR Future<Void> work(Database cx, DDMetricsWorkload* self) {
try {
TraceEvent("DDMetricsWaiting").detail("StartDelay", self->startDelay);
wait(delay(self->startDelay));
TraceEvent("DDMetricsStarting").log();
state double startTime = now();
loop {
wait(delay(2.5));
int dif = wait(self->getHighPriorityRelocationsInFlight(cx, self));
TraceEvent("DDMetricsCheck").detail("DIF", dif);
if (dif == 0) {
self->ddDone = now() - startTime;
return Void();
}
}
} catch (Error& e) {
TraceEvent("DDMetricsError").error(e);
}
return Void();
}
Future<Void> start(Database const& cx) override { return clientId == 0 ? work(cx, this) : Void(); }
Future<bool> check(Database const& cx) override { return true; }
void getMetrics(std::vector<PerfMetric>& m) override { m.emplace_back("DDDuration", ddDone, Averaged::False); }
};
WorkloadFactory<DDMetricsWorkload> DDMetricsWorkloadFactory("DDMetrics");