content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.inode;
  
  import static alluxio.inode.RocksBenchBase.genInode;
  
  import alluxio.master.file.meta.MutableInode;
  
  import org.openjdk.jmh.annotations.Benchmark;
  import org.openjdk.jmh.annotations.Level;
  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.infra.ThreadParams;
  import org.openjdk.jmh.profile.StackProfiler;
  import org.openjdk.jmh.runner.Runner;
  import org.openjdk.jmh.runner.RunnerException;
  import org.openjdk.jmh.runner.options.Options;
  import org.openjdk.jmh.runner.options.OptionsBuilder;
  
  /**
   * This benchmark measures the performance of writing single keys/value
   * pairs of inodeId/inode to RocksDB. Each iteration of the benchmark
   * writes keys with increasing ids to the db.
   * The following options can be varied:
   * mIsDirectory - if the inodes written should represent a file or directory
   * mUseSerialization - if true, the measured time will include serializing an inode to bytes.
   * mRocksConfig - see {@link RocksBenchConfig}
   **/
  public class RocksBenchWrite {
    @State(Scope.Thread)
    public static class ThreadState {
      long mNxtFileId = 0;
      int mMyId = 0;
      int mThreadCount = 0;
      MutableInode<?> mMyInode;
      byte[] mMyInodeBytes;
  
      @Param({"true", "false"})
      public boolean mIsDirectory;
  
      @Setup(Level.Iteration)
      public void setup(ThreadParams params) {
        mNxtFileId = 0;
        mMyId = params.getThreadIndex();
        mThreadCount = params.getThreadCount();
        mMyInode = genInode(mIsDirectory);
        mMyInodeBytes = mMyInode.toProto().toByteArray();
      }
  
      @TearDown(Level.Iteration)
      public void after() {
        System.out.printf("Insert count for id %d: %d%n", mMyId, mNxtFileId);
      }
    }
  
    @State(Scope.Benchmark)
    public static class Db {
  
      @Param({"true"})
      public boolean mUseSerialization;
  
      @Param({RocksBenchConfig.JAVA_CONFIG})
      public String mRocksConfig;
  
      RocksBenchBase mBase;
  
      @Setup(Level.Iteration)
      public void setup() throws Exception {
        mBase = new RocksBenchBase(mRocksConfig);
      }
  
      @TearDown(Level.Iteration)
      public void after() {
        mBase.after();
        mBase = null;
      }
    }
  
    @Benchmark
    public void testMethod(Db db, ThreadState ts) {
      if (db.mUseSerialization) {
        db.mBase.writeInode(ts.mNxtFileId, ts.mThreadCount, ts.mMyId, ts.mMyInode);
      } else {
        db.mBase.writeBytes(ts.mNxtFileId, ts.mThreadCount, ts.mMyId, ts.mMyInodeBytes);
      }
      ts.mNxtFileId++;
    }
  
    public static void main(String []args) throws RunnerException {
      Options opt = new OptionsBuilder().include(RocksBenchWrite.class.getSimpleName())
          .forks(1).addProfiler(StackProfiler.class).build();
      new Runner(opt).run();
    }
  }
  