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.nio.ByteBuffer;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  import java.util.concurrent.TimeUnit;
  
  import com.google.common.collect.Lists;
  
  import org.apache.cassandra.config.DatabaseDescriptor;
  import org.apache.cassandra.cql3.Attributes;
  import org.apache.cassandra.cql3.BatchQueryOptions;
  import org.apache.cassandra.cql3.QueryHandler;
  import org.apache.cassandra.cql3.QueryOptions;
  import org.apache.cassandra.cql3.QueryProcessor;
  import org.apache.cassandra.cql3.VariableSpecifications;
  import org.apache.cassandra.cql3.statements.BatchStatement;
  import org.apache.cassandra.cql3.statements.ModificationStatement;
  import org.apache.cassandra.cql3.statements.schema.CreateTableStatement;
  import org.apache.cassandra.dht.Murmur3Partitioner;
  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.apache.cassandra.service.ClientState;
  import org.apache.cassandra.transport.Dispatcher;
  import org.apache.cassandra.utils.FBUtilities;
  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.Threads;
  import org.openjdk.jmh.annotations.Warmup;
  import org.openjdk.jmh.profile.GCProfiler;
  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;
  
  import static org.apache.cassandra.utils.ByteBufferUtil.bytes;
  
  @BenchmarkMode(Mode.Throughput)
  @OutputTimeUnit(TimeUnit.MILLISECONDS)
  @Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
  @Measurement(iterations = 5, time = 10, timeUnit = TimeUnit.SECONDS)
  @Fork(value = 1, jvmArgsAppend = "-Xmx512M")
  @Threads(1)
  @State(Scope.Benchmark)
  public class BatchStatementBench
  {
      static
      {
  
          DatabaseDescriptor.toolInitialization();
          // Partitioner is not set in client mode.
          if (DatabaseDescriptor.getPartitioner() == null)
              DatabaseDescriptor.setPartitionerUnsafe(Murmur3Partitioner.instance);
      }
  
      static String keyspace = "keyspace1";
      String table = "tbl";
  
      long nowInSec = FBUtilities.nowInSeconds();
      Dispatcher.RequestTime queryStartTime = Dispatcher.RequestTime.forImmediateExecution();
      BatchStatement bs;
      BatchQueryOptions bqo;
  
      @Param({"true", "false"})
      boolean uniquePartition;
  
      @Param({"10000"})
      int batchSize;
  
      @Setup
      public void setup() throws Throwable
      {
          SchemaTestUtil.addOrUpdateKeyspace(KeyspaceMetadata.create(keyspace, KeyspaceParams.simple(1)), false);
          KeyspaceMetadata ksm = Schema.instance.getKeyspaceMetadata(keyspace);
          TableMetadata metadata = CreateTableStatement.parse(String.format("CREATE TABLE %s (id int, ck int, v int, primary key (id, ck))", table), keyspace).build();
  
          SchemaTestUtil.addOrUpdateKeyspace(ksm.withSwapped(ksm.tables.with(metadata)), false);
  
          List<ModificationStatement> modifications = new ArrayList<>(batchSize);
          List<List<ByteBuffer>> parameters = new ArrayList<>(batchSize);
          List<Object> queryOrIdList = new ArrayList<>(batchSize);
          QueryHandler.Prepared prepared = QueryProcessor.prepareInternal(String.format("INSERT INTO %s.%s (id, ck, v) VALUES (?,?,?)", keyspace, table));
  
          for (int i = 0; i < batchSize; i++)
          {
              modifications.add((ModificationStatement) prepared.statement);
              parameters.add(Lists.newArrayList(bytes(uniquePartition ? i : 1), bytes(i), bytes(i)));
              queryOrIdList.add(prepared.rawCQLStatement);
          }
          bs = new BatchStatement(BatchStatement.Type.UNLOGGED, VariableSpecifications.empty(), modifications, Attributes.none());
          bqo = BatchQueryOptions.withPerStatementVariables(QueryOptions.DEFAULT, parameters, queryOrIdList);
      }
  
      @Benchmark
      public void bench()
      {
          bs.getMutations(ClientState.forInternalCalls(), bqo, false, nowInSec, nowInSec, queryStartTime, null);
      }
  
  
      public static void main(String... args) throws Exception {
          Options opts = new OptionsBuilder()
                         .include(".*"+BatchStatementBench.class.getSimpleName()+".*")
                         .jvmArgs("-server")
                         .forks(1)
                         .mode(Mode.Throughput)
                         .addProfiler(GCProfiler.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");
          }
      }
  }
  