org.apache.distributedlog.benchmark.WriterWorker Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.distributedlog.benchmark;
import static com.google.common.base.Preconditions.checkArgument;
import com.twitter.common.zookeeper.ServerSet;
import org.apache.distributedlog.DLSN;
import org.apache.distributedlog.benchmark.utils.ShiftableRateLimiter;
import org.apache.distributedlog.client.DistributedLogMultiStreamWriter;
import org.apache.distributedlog.client.serverset.DLZkServerSet;
import org.apache.distributedlog.exceptions.DLException;
import org.apache.distributedlog.io.CompressionCodec;
import org.apache.distributedlog.service.DistributedLogClient;
import org.apache.distributedlog.service.DistributedLogClientBuilder;
import org.apache.distributedlog.util.SchedulerUtils;
import com.twitter.finagle.builder.ClientBuilder;
import com.twitter.finagle.stats.StatsReceiver;
import com.twitter.finagle.thrift.ClientId;
import com.twitter.finagle.thrift.ClientId$;
import com.twitter.util.Duration$;
import com.twitter.util.Future;
import com.twitter.util.FutureEventListener;
import java.io.IOException;
import java.net.URI;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import org.apache.bookkeeper.stats.OpStatsLogger;
import org.apache.bookkeeper.stats.StatsLogger;
import org.apache.thrift.TException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Benchmark for distributedlog proxy client.
*/
public class WriterWorker implements Worker {
static final Logger LOG = LoggerFactory.getLogger(WriterWorker.class);
final String streamPrefix;
final int startStreamId;
final int endStreamId;
final int writeConcurrency;
final int messageSizeBytes;
final int hostConnectionCoreSize;
final int hostConnectionLimit;
final ExecutorService executorService;
final ShiftableRateLimiter rateLimiter;
final URI dlUri;
final DLZkServerSet[] serverSets;
final List finagleNames;
final Random random;
final List streamNames;
final int numStreams;
final int batchSize;
final boolean thriftmux;
final boolean handshakeWithClientInfo;
final int sendBufferSize;
final int recvBufferSize;
final boolean enableBatching;
final int batchBufferSize;
final int batchFlushIntervalMicros;
private final String routingServiceFinagleName;
volatile boolean running = true;
final StatsReceiver statsReceiver;
final StatsLogger statsLogger;
final OpStatsLogger requestStat;
final StatsLogger exceptionsLogger;
final StatsLogger dlErrorCodeLogger;
// callback thread
final ExecutorService executor;
public WriterWorker(String streamPrefix,
URI uri,
int startStreamId,
int endStreamId,
ShiftableRateLimiter rateLimiter,
int writeConcurrency,
int messageSizeBytes,
int batchSize,
int hostConnectionCoreSize,
int hostConnectionLimit,
List serverSetPaths,
List finagleNames,
StatsReceiver statsReceiver,
StatsLogger statsLogger,
boolean thriftmux,
boolean handshakeWithClientInfo,
int sendBufferSize,
int recvBufferSize,
boolean enableBatching,
int batchBufferSize,
int batchFlushIntervalMicros,
String routingServiceFinagleName) {
checkArgument(startStreamId <= endStreamId);
checkArgument(!finagleNames.isEmpty() || !serverSetPaths.isEmpty());
this.streamPrefix = streamPrefix;
this.dlUri = uri;
this.startStreamId = startStreamId;
this.endStreamId = endStreamId;
this.rateLimiter = rateLimiter;
this.writeConcurrency = writeConcurrency;
this.messageSizeBytes = messageSizeBytes;
this.statsReceiver = statsReceiver;
this.statsLogger = statsLogger;
this.requestStat = this.statsLogger.getOpStatsLogger("requests");
this.exceptionsLogger = statsLogger.scope("exceptions");
this.dlErrorCodeLogger = statsLogger.scope("dl_error_code");
this.executorService = Executors.newCachedThreadPool();
this.random = new Random(System.currentTimeMillis());
this.batchSize = batchSize;
this.hostConnectionCoreSize = hostConnectionCoreSize;
this.hostConnectionLimit = hostConnectionLimit;
this.thriftmux = thriftmux;
this.handshakeWithClientInfo = handshakeWithClientInfo;
this.sendBufferSize = sendBufferSize;
this.recvBufferSize = recvBufferSize;
this.enableBatching = enableBatching;
this.batchBufferSize = batchBufferSize;
this.batchFlushIntervalMicros = batchFlushIntervalMicros;
this.finagleNames = finagleNames;
this.serverSets = createServerSets(serverSetPaths);
this.executor = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
this.routingServiceFinagleName = routingServiceFinagleName;
// Streams
streamNames = new ArrayList(endStreamId - startStreamId);
for (int i = startStreamId; i < endStreamId; i++) {
streamNames.add(String.format("%s_%d", streamPrefix, i));
}
numStreams = streamNames.size();
LOG.info("Writing to {} streams : {}", numStreams, streamNames);
}
protected DLZkServerSet[] createServerSets(List serverSetPaths) {
DLZkServerSet[] serverSets = new DLZkServerSet[serverSetPaths.size()];
for (int i = 0; i < serverSets.length; i++) {
String serverSetPath = serverSetPaths.get(i);
serverSets[i] = DLZkServerSet.of(URI.create(serverSetPath), 60000);
}
return serverSets;
}
@Override
public void close() throws IOException {
this.running = false;
SchedulerUtils.shutdownScheduler(this.executorService, 2, TimeUnit.MINUTES);
for (DLZkServerSet serverSet: serverSets) {
serverSet.close();
}
}
private DistributedLogClient buildDlogClient() {
ClientBuilder clientBuilder = ClientBuilder.get()
.hostConnectionLimit(hostConnectionLimit)
.hostConnectionCoresize(hostConnectionCoreSize)
.tcpConnectTimeout(Duration$.MODULE$.fromMilliseconds(200))
.connectTimeout(Duration$.MODULE$.fromMilliseconds(200))
.requestTimeout(Duration$.MODULE$.fromSeconds(10))
.sendBufferSize(sendBufferSize)
.recvBufferSize(recvBufferSize);
ClientId clientId = ClientId$.MODULE$.apply("dlog_loadtest_writer");
DistributedLogClientBuilder builder = DistributedLogClientBuilder.newBuilder()
.clientId(clientId)
.clientBuilder(clientBuilder)
.thriftmux(thriftmux)
.redirectBackoffStartMs(100)
.redirectBackoffMaxMs(500)
.requestTimeoutMs(10000)
.statsReceiver(statsReceiver)
.streamNameRegex("^" + streamPrefix + "_[0-9]+$")
.handshakeWithClientInfo(handshakeWithClientInfo)
.periodicHandshakeIntervalMs(TimeUnit.SECONDS.toMillis(30))
.periodicOwnershipSyncIntervalMs(TimeUnit.MINUTES.toMillis(5))
.periodicDumpOwnershipCache(true)
.handshakeTracing(true)
.serverRoutingServiceFinagleNameStr(routingServiceFinagleName)
.name("writer");
if (!finagleNames.isEmpty()) {
String local = finagleNames.get(0);
String[] remotes = new String[finagleNames.size() - 1];
finagleNames.subList(1, finagleNames.size()).toArray(remotes);
builder = builder.finagleNameStrs(local, remotes);
} else if (serverSets.length != 0){
ServerSet local = serverSets[0].getServerSet();
ServerSet[] remotes = new ServerSet[serverSets.length - 1];
for (int i = 1; i < serverSets.length; i++) {
remotes[i - 1] = serverSets[i].getServerSet();
}
builder = builder.serverSets(local, remotes);
} else {
builder = builder.uri(dlUri);
}
return builder.build();
}
ByteBuffer buildBuffer(long requestMillis, int messageSizeBytes) {
ByteBuffer data;
try {
data = ByteBuffer.wrap(Utils.generateMessage(requestMillis, messageSizeBytes));
return data;
} catch (TException e) {
LOG.error("Error generating message : ", e);
return null;
}
}
List buildBufferList(int batchSize, long requestMillis, int messageSizeBytes) {
ArrayList bufferList = new ArrayList(batchSize);
for (int i = 0; i < batchSize; i++) {
ByteBuffer buf = buildBuffer(requestMillis, messageSizeBytes);
if (null == buf) {
return null;
}
bufferList.add(buf);
}
return bufferList;
}
class TimedRequestHandler implements FutureEventListener, Runnable {
final String streamName;
final long requestMillis;
DLSN dlsn = null;
Throwable cause = null;
TimedRequestHandler(String streamName,
long requestMillis) {
this.streamName = streamName;
this.requestMillis = requestMillis;
}
@Override
public void onSuccess(DLSN value) {
dlsn = value;
executor.submit(this);
}
@Override
public void onFailure(Throwable cause) {
this.cause = cause;
executor.submit(this);
}
@Override
public void run() {
if (null != dlsn) {
requestStat.registerSuccessfulEvent(System.currentTimeMillis() - requestMillis);
} else {
LOG.error("Failed to publish to {} : ", streamName, cause);
requestStat.registerFailedEvent(System.currentTimeMillis() - requestMillis);
exceptionsLogger.getCounter(cause.getClass().getName()).inc();
if (cause instanceof DLException) {
DLException dle = (DLException) cause;
dlErrorCodeLogger.getCounter(dle.getCode().toString()).inc();
}
}
}
}
class Writer implements Runnable {
final int idx;
final DistributedLogClient dlc;
DistributedLogMultiStreamWriter writer = null;
final ShiftableRateLimiter limiter;
Writer(int idx) {
this.idx = idx;
this.dlc = buildDlogClient();
if (enableBatching) {
writer = DistributedLogMultiStreamWriter.newBuilder()
.client(this.dlc)
.streams(streamNames)
.compressionCodec(CompressionCodec.Type.NONE)
.flushIntervalMicros(batchFlushIntervalMicros)
.bufferSize(batchBufferSize)
.firstSpeculativeTimeoutMs(9000)
.maxSpeculativeTimeoutMs(9000)
.requestTimeoutMs(10000)
.speculativeBackoffMultiplier(2)
.build();
}
this.limiter = rateLimiter.duplicate();
}
@Override
public void run() {
LOG.info("Started writer {}.", idx);
while (running) {
this.limiter.getLimiter().acquire();
final String streamName = streamNames.get(random.nextInt(numStreams));
final long requestMillis = System.currentTimeMillis();
final ByteBuffer data = buildBuffer(requestMillis, messageSizeBytes);
if (null == data) {
break;
}
if (null != writer) {
writer.write(data).addEventListener(
new TimedRequestHandler(streamName, requestMillis));
} else {
dlc.write(streamName, data).addEventListener(
new TimedRequestHandler(streamName, requestMillis));
}
}
if (null != writer) {
writer.close();
}
dlc.close();
}
}
class BulkWriter implements Runnable {
final int idx;
final DistributedLogClient dlc;
BulkWriter(int idx) {
this.idx = idx;
this.dlc = buildDlogClient();
}
@Override
public void run() {
LOG.info("Started writer {}.", idx);
while (running) {
rateLimiter.getLimiter().acquire(batchSize);
String streamName = streamNames.get(random.nextInt(numStreams));
final long requestMillis = System.currentTimeMillis();
final List data = buildBufferList(batchSize, requestMillis, messageSizeBytes);
if (null == data) {
break;
}
List> results = dlc.writeBulk(streamName, data);
for (Future result : results) {
result.addEventListener(new TimedRequestHandler(streamName, requestMillis));
}
}
dlc.close();
}
}
@Override
public void run() {
LOG.info("Starting writer (concurrency = {}, prefix = {}, batchSize = {})",
new Object[] { writeConcurrency, streamPrefix, batchSize });
try {
for (int i = 0; i < writeConcurrency; i++) {
Runnable writer = null;
if (batchSize > 0) {
writer = new BulkWriter(i);
} else {
writer = new Writer(i);
}
executorService.submit(writer);
}
} catch (Throwable t) {
LOG.error("Unhandled exception caught", t);
}
}
}
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