opendaylight/md-sal/benchmark-data-store/src/main/java/org/opendaylight/controller/md/sal/dom/store/benchmark/InMemoryDataStoreWithExecutorServiceBenchmark.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.md.sal.dom.store.benchmark;
   9
  10 import com.google.common.util.concurrent.ListeningExecutorService;
  11 import com.google.common.util.concurrent.MoreExecutors;
  12 import java.util.concurrent.ExecutorService;
  13 import java.util.concurrent.TimeUnit;
  14 import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore;
  15 import org.opendaylight.yangtools.util.concurrent.SpecialExecutors;
  16 import org.openjdk.jmh.annotations.BenchmarkMode;
  17 import org.openjdk.jmh.annotations.Fork;
  18 import org.openjdk.jmh.annotations.Level;
  19 import org.openjdk.jmh.annotations.Mode;
  20 import org.openjdk.jmh.annotations.OutputTimeUnit;
  21 import org.openjdk.jmh.annotations.Scope;
  22 import org.openjdk.jmh.annotations.Setup;
  23 import org.openjdk.jmh.annotations.State;
  24 import org.openjdk.jmh.annotations.TearDown;
  25
  26 /**
  27  * Benchmark for testing of performance of write operations for InMemoryDataStore. The instance
  28  * of benchmark creates InMemoryDataStore with Data Change Listener Executor Service as BlockingBoundedFastThreadPool
  29  * and DOM Store Executor Service as Blocking Bounded Fast Thread Pool.
  30  *
  31  * @see org.opendaylight.yangtools.util.concurrent.SpecialExecutors
  32  * @see org.opendaylight.controller.md.sal.dom.store.benchmark.AbstractInMemoryDatastoreWriteTransactionBenchmark
  33  *
  34  * @author Lukas Sedlak <lsedlak@cisco.com>
  35  */
  36 @State(Scope.Thread)
  37 @BenchmarkMode(Mode.AverageTime)
  38 @OutputTimeUnit(TimeUnit.MILLISECONDS)
  39 @Fork(1)
  40 public class InMemoryDataStoreWithExecutorServiceBenchmark extends AbstractInMemoryDatastoreWriteTransactionBenchmark  {
  41
  42     private static final int MAX_DATA_CHANGE_EXECUTOR_POOL_SIZE = 20;
  43     private static final int MAX_DATA_CHANGE_EXECUTOR_QUEUE_SIZE = 1000;
  44     private static final int MAX_DATA_STORE_EXECUTOR_QUEUE_SIZE = 5000;
  45
  46     @Override
  47     @Setup(Level.Trial)
  48     public void setUp() throws Exception {
  49         final String name = "DS_BENCHMARK";
  50         final ExecutorService dataChangeListenerExecutor = SpecialExecutors.newBlockingBoundedFastThreadPool(
  51             MAX_DATA_CHANGE_EXECUTOR_POOL_SIZE, MAX_DATA_CHANGE_EXECUTOR_QUEUE_SIZE, name + "-DCL");
  52
  53         final ListeningExecutorService domStoreExecutor = MoreExecutors.listeningDecorator(SpecialExecutors.newBoundedSingleThreadExecutor(
  54             MAX_DATA_STORE_EXECUTOR_QUEUE_SIZE, "DOMStore-" + name ));
  55
  56         domStore = new InMemoryDOMDataStore(name, domStoreExecutor,
  57             dataChangeListenerExecutor);
  58         schemaContext = BenchmarkModel.createTestContext();
  59         domStore.onGlobalContextUpdated(schemaContext);
  60         initTestNode();
  61     }
  62
  63     @Override
  64     @TearDown
  65     public void tearDown() {
  66         schemaContext = null;
  67         domStore = null;
  68     }
  69 }