| /* |
| * 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.bookkeeper.tools.perf.table; |
| |
| import com.google.common.util.concurrent.RateLimiter; |
| import io.netty.buffer.ByteBuf; |
| import io.netty.buffer.PooledByteBufAllocator; |
| import io.netty.buffer.Unpooled; |
| import java.util.concurrent.Semaphore; |
| import java.util.concurrent.ThreadLocalRandom; |
| import java.util.concurrent.TimeUnit; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.bookkeeper.api.kv.Table; |
| import org.apache.bookkeeper.tools.perf.table.PerfClient.Flags; |
| import org.apache.bookkeeper.tools.perf.table.PerfClient.OP; |
| import org.apache.bookkeeper.tools.perf.table.PerfClient.OpStats; |
| |
| /** |
| * Write task to inject key/value pairs to the table. |
| */ |
| @Slf4j |
| abstract class WriteTask extends BenchmarkTask { |
| |
| protected final RateLimiter limiter; |
| protected final Semaphore semaphore; |
| protected final byte[] valueBytes; |
| protected final OpStats writeOpStats; |
| |
| WriteTask(Table<ByteBuf, ByteBuf> table, |
| int tid, |
| long randSeed, |
| long numRecords, |
| long keyRange, |
| Flags flags, |
| KeyGenerator generator, |
| RateLimiter limiter, |
| Semaphore semaphore) { |
| super(table, tid, randSeed, numRecords, keyRange, flags, generator); |
| this.limiter = limiter; |
| this.semaphore = semaphore; |
| this.valueBytes = new byte[flags.valueSize]; |
| ThreadLocalRandom.current().nextBytes(valueBytes); |
| this.writeOpStats = new OpStats(OP.PUT.name()); |
| } |
| |
| @Override |
| protected void runTask() throws Exception { |
| for (long i = 0L; i < numRecords; ++i) { |
| if (null != semaphore) { |
| semaphore.acquire(); |
| } |
| if (null != limiter) { |
| limiter.acquire(); |
| } |
| writeKey(i, valueBytes); |
| } |
| } |
| |
| protected abstract void getKey(ByteBuf key, long id, long range); |
| |
| void writeKey(long i, byte[] valueBytes) { |
| final ByteBuf keyBuf = PooledByteBufAllocator.DEFAULT.heapBuffer(flags.keySize); |
| getKey(keyBuf, i, keyRange); |
| keyBuf.writerIndex(keyBuf.readerIndex() + keyBuf.writableBytes()); |
| final ByteBuf valBuf = Unpooled.wrappedBuffer(valueBytes); |
| |
| final long startTime = System.nanoTime(); |
| table.put(keyBuf, valBuf) |
| .whenComplete((result, cause) -> { |
| if (null != semaphore) { |
| semaphore.release(); |
| } |
| if (null != cause) { |
| log.error("Error at put key/value", cause); |
| } else { |
| long latencyMicros = TimeUnit.NANOSECONDS.toMicros( |
| System.nanoTime() - startTime |
| ); |
| writeOpStats.recordOp(latencyMicros); |
| } |
| keyBuf.release(); |
| valBuf.release(); |
| }); |
| } |
| |
| @Override |
| protected void reportStats(long oldTime) { |
| writeOpStats.reportStats(oldTime); |
| } |
| |
| @Override |
| protected void printAggregatedStats() { |
| writeOpStats.printAggregatedStats(); |
| } |
| } |