134 lines
4.6 KiB
C++
134 lines
4.6 KiB
C++
/*
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* GetEstimatedRangeSize.actor.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 2013-2022 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 <cstring>
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#include "fdbrpc/TenantName.h"
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#include "fdbrpc/simulator.h"
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#include "fdbclient/FDBTypes.h"
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#include "fdbclient/SystemData.h"
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#include "fdbserver/workloads/workloads.actor.h"
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#include "fdbserver/workloads/BulkSetup.actor.h"
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#include "flow/Error.h"
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#include "flow/Trace.h"
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#include "flow/actorcompiler.h" // This must be the last #include.
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struct GetEstimatedRangeSizeWorkload : TestWorkload {
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static constexpr auto NAME = "GetEstimatedRangeSize";
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int nodeCount;
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double testDuration;
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Key keyPrefix;
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bool hasTenant;
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Optional<TenantName> tenant;
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bool checkOnly;
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GetEstimatedRangeSizeWorkload(WorkloadContext const& wcx) : TestWorkload(wcx) {
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testDuration = getOption(options, "testDuration"_sr, 10.0);
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nodeCount = getOption(options, "nodeCount"_sr, 10000);
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keyPrefix = unprintable(getOption(options, "keyPrefix"_sr, ""_sr).toString());
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hasTenant = hasOption(options, "tenant"_sr);
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tenant = hasTenant ? getOption(options, "tenant"_sr, "DefaultNeverUsed"_sr) : Optional<TenantName>();
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checkOnly = getOption(options, "checkOnly"_sr, false);
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}
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Future<Void> setup(Database const& cx) override {
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if (checkOnly) {
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return Void();
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}
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// The following call to bulkSetup() assumes that we have a valid tenant.
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ASSERT(hasTenant);
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// Use default values for arguments between (and including) postSetupWarming and endNodeIdx params.
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return bulkSetup(cx,
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this,
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nodeCount,
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Promise<double>(),
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true,
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0.0,
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1e12,
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std::vector<uint64_t>(),
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Promise<std::vector<std::pair<uint64_t, double>>>(),
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0,
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0.1,
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0,
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0,
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{ tenant.get() });
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}
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Future<Void> start(Database const& cx) override {
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if (clientId > 0) {
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return Void();
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}
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return checkSize(this, cx);
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}
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Future<bool> check(Database const& cx) override { return true; }
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void getMetrics(std::vector<PerfMetric>& m) override {}
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Key keyForIndex(int n) { return key(n); }
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Key key(int n) { return doubleToTestKey((double)n / nodeCount, keyPrefix); }
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Value value(int n) { return doubleToTestKey(n, keyPrefix); }
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int fromValue(const ValueRef& v) { return testKeyToDouble(v, keyPrefix); }
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Standalone<KeyValueRef> operator()(int n) { return KeyValueRef(key(n), value((n + 1) % nodeCount)); }
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ACTOR static Future<Void> checkSize(GetEstimatedRangeSizeWorkload* self, Database cx) {
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state int64_t size = wait(getSize(self, cx));
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ASSERT(sizeIsAsExpected(self, size));
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return Void();
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}
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static bool sizeIsAsExpected(GetEstimatedRangeSizeWorkload* self, int64_t size) {
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int nodeSize = self->key(0).size() + self->value(0).size();
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// We use a wide range to avoid flakiness because the underlying function
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// is making an estimation.
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return size > self->nodeCount * nodeSize / 2 && size < self->nodeCount * nodeSize * 5;
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}
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ACTOR static Future<int64_t> getSize(GetEstimatedRangeSizeWorkload* self, Database cx) {
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state ReadYourWritesTransaction tr(cx, self->tenant);
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state double totalDelay = 0.0;
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TraceEvent(SevDebug, "GetSizeStart")
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.detail("Tenant", tr.getTenant().present() ? tr.getTenant().get() : "none"_sr);
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loop {
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try {
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state int64_t size = wait(tr.getEstimatedRangeSizeBytes(normalKeys));
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TraceEvent(SevDebug, "GetSizeResult")
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.detail("Tenant", tr.getTenant().present() ? tr.getTenant().get() : "none"_sr)
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.detail("Size", size);
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if (!sizeIsAsExpected(self, size) && totalDelay < 300.0) {
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totalDelay += 5.0;
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wait(delay(5.0));
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} else {
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return size;
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}
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} catch (Error& e) {
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TraceEvent(SevDebug, "GetSizeError")
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.errorUnsuppressed(e)
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.detail("Tenant", tr.getTenant().present() ? tr.getTenant().get() : "none"_sr);
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wait(tr.onError(e));
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}
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}
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}
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};
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WorkloadFactory<GetEstimatedRangeSizeWorkload> GetEstimatedRangeSizeWorkloadFactory;
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