74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
/*
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* DDMetrics.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 "fdbclient/NativeAPI.actor.h"
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#include "fdbserver/core/TesterInterface.h"
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#include "fdbserver/core/QuietDatabase.h"
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#include "fdbserver/core/ServerDBInfo.h"
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#include "fdbserver/tester/workloads.h"
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struct DDMetricsWorkload : TestWorkload {
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static constexpr auto NAME = "DDMetrics";
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double startDelay, ddDone;
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explicit DDMetricsWorkload(WorkloadContext const& wcx) : TestWorkload(wcx), ddDone(0.0) {
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startDelay = getOption(options, "beginPoll"_sr, 10.0);
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}
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Future<int> getHighPriorityRelocationsInFlight(Database cx, DDMetricsWorkload* self) {
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WorkerInterface masterWorker = co_await getMasterWorker(cx, self->dbInfo);
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TraceEvent("GetHighPriorityReliocationsInFlight").detail("Stage", "ContactingMaster");
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TraceEventFields md =
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co_await timeoutError(masterWorker.eventLogRequest.getReply(EventLogRequest("MovingData"_sr)), 1.0);
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int relocations;
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sscanf(md.getValue("UnhealthyRelocations").c_str(), "%d", &relocations);
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co_return relocations;
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}
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Future<Void> work(Database cx, DDMetricsWorkload* self) {
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try {
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TraceEvent("DDMetricsWaiting").detail("StartDelay", self->startDelay);
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co_await delay(self->startDelay);
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TraceEvent("DDMetricsStarting").log();
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double startTime = now();
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while (true) {
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co_await delay(2.5);
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int dif = co_await self->getHighPriorityRelocationsInFlight(cx, self);
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TraceEvent("DDMetricsCheck").detail("DIF", dif);
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if (dif == 0) {
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self->ddDone = now() - startTime;
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co_return;
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}
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}
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} catch (Error& e) {
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TraceEvent("DDMetricsError").error(e);
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}
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}
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Future<Void> start(Database const& cx) override { return clientId == 0 ? work(cx, this) : Void(); }
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Future<bool> check(Database const& cx) override { return true; }
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void getMetrics(std::vector<PerfMetric>& m) override { m.emplace_back("DDDuration", ddDone, Averaged::False); }
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};
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WorkloadFactory<DDMetricsWorkload> DDMetricsWorkloadFactory;
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