content: /*
   * 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.activemq.artemis.tests.performance.jmh;
  
  import java.io.File;
  import java.util.Arrays;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicLong;
  import java.util.stream.Stream;
  
  import org.apache.activemq.artemis.core.io.SequentialFileFactory;
  import org.apache.activemq.artemis.core.io.nio.NIOSequentialFileFactory;
  import org.apache.activemq.artemis.core.journal.Journal;
  import org.apache.activemq.artemis.core.journal.impl.JournalImpl;
  import org.openjdk.jmh.annotations.Benchmark;
  import org.openjdk.jmh.annotations.BenchmarkMode;
  import org.openjdk.jmh.annotations.Fork;
  import org.openjdk.jmh.annotations.Measurement;
  import org.openjdk.jmh.annotations.Mode;
  import org.openjdk.jmh.annotations.OutputTimeUnit;
  import org.openjdk.jmh.annotations.Param;
  import org.openjdk.jmh.annotations.Scope;
  import org.openjdk.jmh.annotations.Setup;
  import org.openjdk.jmh.annotations.State;
  import org.openjdk.jmh.annotations.TearDown;
  import org.openjdk.jmh.annotations.Warmup;
  
  @State(Scope.Benchmark)
  @Fork(2)
  @Warmup(iterations = 5, time = 1)
  @Measurement(iterations = 10, time = 2)
  @BenchmarkMode(Mode.AverageTime)
  @OutputTimeUnit(TimeUnit.MICROSECONDS)
  public class JournalSyncDeletePerfTest {
  
     private static final String STORE_DIR = System.getProperty("user.dir") + File.separator + "JournalSyncDeletePerfTest";
     private static final String FILE_PREFIX = "perf";
     private static final String FILE_EXTENSION = "amq";
     private static final byte RECORD_TYPE = 0;
  
     @Param({"100", "1000"})
     private int records;
     @Param({"64"})
     private int recordSize;
     @Param({"10485760"})
     private int fileSize;
     @Param({"4"})
     private int minFiles;
     @Param({"20"})
     private int poolSize;
     @Param({"10"})
     private int compactMinFiles;
     @Param({"30"})
     private int compactPercentage;
  
     private SequentialFileFactory factory;
     private AtomicLong ranges;
     private Journal journal;
     private byte[] recordData;
  
     @Setup
     public void init() throws Exception {
        ranges = new AtomicLong();
        File storeDir = new File(STORE_DIR);
        factory = new NIOSequentialFileFactory(storeDir, false, 1).setDatasync(false);
        factory.start();
        factory.createDirs();
        journal = new JournalImpl(fileSize, minFiles, poolSize, compactMinFiles, compactPercentage, factory, FILE_PREFIX, FILE_EXTENSION, factory.getMaxIO());
        journal.replaceableRecord(RECORD_TYPE);
        journal.start();
        journal.loadInternalOnly();
        recordData = new byte[recordSize];
        Arrays.fill(recordData, (byte) 1);
     }
  
     @State(Scope.Thread)
     public static class RecordRange {
  
        private long recordId;
  
        @Setup
        public void init(JournalSyncDeletePerfTest test) {
           recordId = test.ranges.getAndAdd(test.records);
        }
     }
  
     @Benchmark
     public void batchAppendUpdateDelete(final RecordRange range) throws Exception {
        final long firstRecordId = range.recordId;
        final byte[] recordData = this.recordData;
        for (int i = 0; i < records - 1; i++) {
           journal.appendAddRecord(firstRecordId + i, RECORD_TYPE, recordData, false);
           journal.appendUpdateRecord(firstRecordId + i, RECORD_TYPE, recordData, false);
           journal.appendDeleteRecord(firstRecordId + i, false);
        }
        final long lastRecordId = firstRecordId + (records - 1);
        journal.appendAddRecord(lastRecordId, RECORD_TYPE, recordData, false);
        journal.appendUpdateRecord(lastRecordId, RECORD_TYPE, recordData, false);
        journal.appendDeleteRecord(lastRecordId, true);
     }
  
     @TearDown
     public synchronized void stop() {
        try {
           journal.stop();
        } catch (Exception ignore) {
  
        }
        factory.stop();
        Stream.of(factory.getDirectory().listFiles()).forEach(File::delete);
        factory.getDirectory().delete();
     }
  
  }
  