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 java.util.concurrent.ExecutorService;
  11 import java.util.concurrent.TimeUnit;
  12 import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore;
  13 import org.opendaylight.yangtools.util.concurrent.SpecialExecutors;
  14 import org.openjdk.jmh.annotations.Level;
  15 import org.openjdk.jmh.annotations.Setup;
  16 import org.openjdk.jmh.annotations.TearDown;
  17 import org.openjdk.jmh.annotations.Fork;
  18 import org.openjdk.jmh.annotations.Scope;
  19 import org.openjdk.jmh.annotations.State;
  20 import org.openjdk.jmh.annotations.BenchmarkMode;
  21 import org.openjdk.jmh.annotations.Mode;
  22 import org.openjdk.jmh.annotations.OutputTimeUnit;
  23
  24 /**
  25  * Benchmark for testing of performance of write operations for InMemoryDataStore. The instance
  26  * of benchmark creates InMemoryDataStore with Data Change Listener Executor Service as BlockingBoundedFastThreadPool
  27  * and DOM Store Executor Service as Blocking Bounded Fast Thread Pool.
  28  *
  29  * @see org.opendaylight.yangtools.util.concurrent.SpecialExecutors
  30  * @see org.opendaylight.controller.md.sal.dom.store.benchmark.AbstractInMemoryDatastoreWriteTransactionBenchmark
  31  *
  32  * @author Lukas Sedlak <lsedlak@cisco.com>
  33  */
  34 @State(Scope.Thread)
  35 @BenchmarkMode(Mode.AverageTime)
  36 @OutputTimeUnit(TimeUnit.MILLISECONDS)
  37 @Fork(1)
  38 public class InMemoryDataStoreWithExecutorServiceBenchmark extends AbstractInMemoryDatastoreWriteTransactionBenchmark  {
  39
  40     private static final int MAX_DATA_CHANGE_EXECUTOR_POOL_SIZE = 20;
  41     private static final int MAX_DATA_CHANGE_EXECUTOR_QUEUE_SIZE = 1000;
  42     private static final int MAX_DATA_STORE_EXECUTOR_QUEUE_SIZE = 5000;
  43
  44     @Setup(Level.Trial)
  45     public void setUp() throws Exception {
  46         final String name = "DS_BENCHMARK";
  47         final ExecutorService dataChangeListenerExecutor = SpecialExecutors.newBlockingBoundedFastThreadPool(
  48             MAX_DATA_CHANGE_EXECUTOR_POOL_SIZE, MAX_DATA_CHANGE_EXECUTOR_QUEUE_SIZE, name + "-DCL");
  49
  50         final ExecutorService domStoreExecutor = SpecialExecutors.newBoundedSingleThreadExecutor(
  51             MAX_DATA_STORE_EXECUTOR_QUEUE_SIZE, "DOMStore-" + name );
  52
  53         domStore = new InMemoryDOMDataStore(name, domStoreExecutor,
  54             dataChangeListenerExecutor);
  55         schemaContext = BenchmarkModel.createTestContext();
  56         domStore.onGlobalContextUpdated(schemaContext);
  57         initTestNode();
  58     }
  59
  60     @TearDown
  61     public void tearDown() {
  62         schemaContext = null;
  63         domStore = null;
  64     }
  65 }