foundationdb/fdbserver/workloads/BulkLoad.actor.cpp

119 lines
4.5 KiB
C++

/*
* BulkLoad.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 "fdbrpc/ContinuousSample.h"
#include "fdbclient/NativeAPI.actor.h"
#include "fdbserver/TesterInterface.actor.h"
#include "fdbserver/workloads/workloads.actor.h"
#include "flow/actorcompiler.h" // This must be the last #include.
struct BulkLoadWorkload : TestWorkload {
int clientCount, actorCount, writesPerTransaction, valueBytes;
double testDuration;
Value value;
uint64_t targetBytes;
Key keyPrefix;
std::vector<Future<Void>> clients;
PerfIntCounter transactions, retries;
ContinuousSample<double> latencies;
BulkLoadWorkload(WorkloadContext const& wcx)
: TestWorkload(wcx), clientCount(wcx.clientCount), transactions("Transactions"), retries("Retries"),
latencies(2000) {
testDuration = getOption(options, "testDuration"_sr, 10.0);
actorCount = getOption(options, "actorCount"_sr, 20);
writesPerTransaction = getOption(options, "writesPerTransaction"_sr, 10);
valueBytes = std::max(getOption(options, "valueBytes"_sr, 96), 16);
value = Value(std::string(valueBytes, '.'));
targetBytes = getOption(options, "targetBytes"_sr, std::numeric_limits<uint64_t>::max());
keyPrefix = getOption(options, "keyPrefix"_sr, ""_sr);
keyPrefix = unprintable(keyPrefix.toString());
}
std::string description() const override { return "BulkLoad"; }
Future<Void> start(Database const& cx) override {
for (int c = 0; c < actorCount; c++)
clients.push_back(timeout(bulkLoadClient(cx, this, clientId, c), testDuration, Void()));
return waitForAll(clients);
}
Future<bool> check(Database const& cx) override {
clients.clear();
return true;
}
void getMetrics(std::vector<PerfMetric>& m) override {
m.push_back(transactions.getMetric());
m.push_back(retries.getMetric());
m.emplace_back("Rows written", transactions.getValue() * writesPerTransaction, Averaged::False);
m.emplace_back("Transactions/sec", transactions.getValue() / testDuration, Averaged::False);
m.emplace_back(
"Write rows/sec", transactions.getValue() * writesPerTransaction / testDuration, Averaged::False);
double keysPerSecond = transactions.getValue() * writesPerTransaction / testDuration;
m.emplace_back("Keys written/sec", keysPerSecond, Averaged::False);
m.emplace_back("Bytes written/sec", keysPerSecond * (valueBytes + 16), Averaged::False);
m.emplace_back("Mean Latency (ms)", 1000 * latencies.mean(), Averaged::True);
m.emplace_back("Median Latency (ms, averaged)", 1000 * latencies.median(), Averaged::True);
m.emplace_back("90% Latency (ms, averaged)", 1000 * latencies.percentile(0.90), Averaged::True);
m.emplace_back("98% Latency (ms, averaged)", 1000 * latencies.percentile(0.98), Averaged::True);
}
ACTOR Future<Void> bulkLoadClient(Database cx, BulkLoadWorkload* self, int clientId, int actorId) {
state uint64_t totalBytes = 0;
state int idx = 0;
loop {
state double tstart = now();
state Transaction tr(cx);
loop {
state uint64_t txnBytes = 0;
try {
for (int i = 0; i < self->writesPerTransaction; i++) {
std::string key = format("%s/bulkload/%04x/%04x/%08x",
self->keyPrefix.toString().c_str(),
self->clientId,
actorId,
idx + i);
tr.set(key, self->value);
txnBytes += key.size() + self->value.size();
}
tr.makeSelfConflicting();
wait(success(tr.getReadVersion()));
wait(tr.commit());
totalBytes += txnBytes;
break;
} catch (Error& e) {
wait(tr.onError(e));
++self->retries;
}
}
self->latencies.addSample(now() - tstart);
++self->transactions;
idx += self->writesPerTransaction;
if (totalBytes > self->targetBytes / self->clientCount / self->actorCount)
return Void();
}
}
};
WorkloadFactory<BulkLoadWorkload> BulkLoadWorkloadFactory("BulkLoad");