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.cassandra.test.microbench;
  
  
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.util.Collection;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.cassandra.UpdateBuilder;
  import org.apache.cassandra.config.DatabaseDescriptor;
  import org.apache.cassandra.cql3.statements.schema.CreateTableStatement;
  import org.apache.cassandra.db.Mutation;
  import org.apache.cassandra.dht.Murmur3Partitioner;
  import org.apache.cassandra.io.util.DataInputBuffer;
  import org.apache.cassandra.io.util.DataOutputBuffer;
  import org.apache.cassandra.io.util.DataOutputBufferFixed;
  import org.apache.cassandra.net.MessagingService;
  import org.apache.cassandra.schema.KeyspaceMetadata;
  import org.apache.cassandra.schema.KeyspaceParams;
  import org.apache.cassandra.schema.Schema;
  import org.apache.cassandra.schema.SchemaTestUtil;
  import org.apache.cassandra.schema.TableMetadata;
  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.Scope;
  import org.openjdk.jmh.annotations.Setup;
  import org.openjdk.jmh.annotations.State;
  import org.openjdk.jmh.annotations.Threads;
  import org.openjdk.jmh.annotations.Warmup;
  import org.openjdk.jmh.profile.StackProfiler;
  import org.openjdk.jmh.results.Result;
  import org.openjdk.jmh.results.RunResult;
  import org.openjdk.jmh.runner.Runner;
  import org.openjdk.jmh.runner.options.Options;
  import org.openjdk.jmh.runner.options.OptionsBuilder;
  
  @BenchmarkMode(Mode.Throughput)
  @OutputTimeUnit(TimeUnit.MILLISECONDS)
  @Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
  @Measurement(iterations = 5, time = 2, timeUnit = TimeUnit.SECONDS)
  @Fork(value = 1
         , jvmArgsAppend = {"-Djmh.executor=CUSTOM", "-Djmh.executor.class=org.apache.cassandra.test.microbench.FastThreadExecutor"
         //,"-XX:+UnlockCommercialFeatures", "-XX:+FlightRecorder","-XX:+UnlockDiagnosticVMOptions", "-XX:+DebugNonSafepoints",
         // "-XX:StartFlightRecording=duration=60s,filename=./profiling-data.jfr,name=profile,settings=profile",
         // "-XX:FlightRecorderOptions=settings=/home/jake/workspace/cassandra/profiling-advanced.jfc,samplethreads=true"
       }
  )
  @Threads(1)
  @State(Scope.Benchmark)
  public class MutationBench
  {
      static
      {
          DatabaseDescriptor.clientInitialization(false);
          // Partitioner is not set in client mode.
          if (DatabaseDescriptor.getPartitioner() == null)
              DatabaseDescriptor.setPartitionerUnsafe(Murmur3Partitioner.instance);
      }
  
      static String keyspace = "keyspace1";
  
      private Mutation mutation;
  
      private ByteBuffer buffer;
      private DataOutputBuffer outputBuffer;
      private DataInputBuffer inputBuffer;
  
  
      @State(Scope.Thread)
      public static class ThreadState
      {
          Mutation in;
          int counter = 0;
      }
  
      @Setup
      public void setup() throws IOException
      {
          SchemaTestUtil.addOrUpdateKeyspace(KeyspaceMetadata.create(keyspace, KeyspaceParams.simple(1)), false);
          KeyspaceMetadata ksm = Schema.instance.getKeyspaceMetadata(keyspace);
          TableMetadata metadata =
              CreateTableStatement.parse("CREATE TABLE userpics " +
                                         "( userid bigint," +
                                         "picid bigint," +
                                         "commentid bigint, " +
                                         "PRIMARY KEY(userid, picid))", keyspace)
                                  .build();
  
          SchemaTestUtil.addOrUpdateKeyspace(ksm.withSwapped(ksm.tables.with(metadata)), false);
  
          mutation = (Mutation)UpdateBuilder.create(metadata, 1L).newRow(1L).add("commentid", 32L).makeMutation();
          buffer = ByteBuffer.allocate(mutation.serializedSize(MessagingService.current_version));
          outputBuffer = new DataOutputBufferFixed(buffer);
          inputBuffer = new DataInputBuffer(buffer, false);
  
          Mutation.serializer.serialize(mutation, outputBuffer, MessagingService.current_version);
      }
  
      @Benchmark
      public void serialize(ThreadState state) throws IOException
      {
          buffer.rewind();
          Mutation.serializer.serialize(mutation, outputBuffer, MessagingService.current_version);
          state.counter++;
      }
  
      @Benchmark
      public void deserialize(ThreadState state) throws IOException
      {
          buffer.rewind();
          state.in = Mutation.serializer.deserialize(inputBuffer, MessagingService.current_version);
          state.counter++;
      }
  
      public static void main(String... args) throws Exception {
          Options opts = new OptionsBuilder()
                         .include(".*"+MutationBench.class.getSimpleName()+".*")
                         .jvmArgs("-server")
                         .forks(1)
                         .mode(Mode.Throughput)
                         .addProfiler(StackProfiler.class)
                         .build();
  
          Collection<RunResult> records = new Runner(opts).run();
          for ( RunResult result : records) {
              Result r = result.getPrimaryResult();
              System.out.println("API replied benchmark score: "
                                 + r.getScore() + " "
                                 + r.getScoreUnit() + " over "
                                 + r.getStatistics().getN() + " iterations");
          }
      }
  }
  