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From chir...@apache.org
Subject svn commit: r677716 - in /activemq/trunk/activemq-core/src/test/java/org/apache/activemq/kaha/impl/index: IndexBenchmark.java hash/HashIndexBenchMark.java
Date Thu, 17 Jul 2008 20:44:04 GMT
Author: chirino
Date: Thu Jul 17 13:44:04 2008
New Revision: 677716

URL: http://svn.apache.org/viewvc?rev=677716&view=rev
Log:
Adding a benchmark tool to measure the performance of the kaha indexes.

Added:
    activemq/trunk/activemq-core/src/test/java/org/apache/activemq/kaha/impl/index/IndexBenchmark.java
  (with props)
    activemq/trunk/activemq-core/src/test/java/org/apache/activemq/kaha/impl/index/hash/HashIndexBenchMark.java

Added: activemq/trunk/activemq-core/src/test/java/org/apache/activemq/kaha/impl/index/IndexBenchmark.java
URL: http://svn.apache.org/viewvc/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/kaha/impl/index/IndexBenchmark.java?rev=677716&view=auto
==============================================================================
--- activemq/trunk/activemq-core/src/test/java/org/apache/activemq/kaha/impl/index/IndexBenchmark.java
(added)
+++ activemq/trunk/activemq-core/src/test/java/org/apache/activemq/kaha/impl/index/IndexBenchmark.java
Thu Jul 17 13:44:04 2008
@@ -0,0 +1,233 @@
+/**
+ * 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.activemq.kaha.impl.index;
+
+import java.io.File;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicLong;
+
+import junit.framework.TestCase;
+import org.apache.activemq.kaha.StoreEntry;
+import org.apache.activemq.util.IOHelper;
+
+/**
+ * @author chirino
+ */
+public abstract class IndexBenchmark extends TestCase {
+
+    // Slower machines might need to make this bigger.
+    private static final long SAMPLE_DURATION = Integer.parseInt(System.getProperty("SAMPLES_DURATION",
"" + 1000 * 5));
+    // How many times do we sample?
+    private static final long SAMPLES = Integer.parseInt(System.getProperty("SAMPLES", ""
+ 60 * 1000 / SAMPLE_DURATION)); // Take
+                                                                                        
                                   // enough
+                                                                                        
                                   // samples
+                                                                                        
                                   // to
+                                                                                        
                                   // run
+                                                                                        
                                   // for
+                                                                                        
                                   // a
+                                                                                        
                                   // minute.
+
+    // How many indexes will we be benchmarking concurrently?
+    private static final int INDEX_COUNT = Integer.parseInt(System.getProperty("INDEX_COUNT",
"" + 1));
+    // Indexes tend to perform worse when they get big.. so how many items
+    // should we put into the index before we start sampling.
+    private static final int INDEX_PRE_LOAD_COUNT = Integer.parseInt(System.getProperty("INDEX_PRE_LOAD_COUNT",
"" + 10000 / INDEX_COUNT));
+
+    protected File ROOT_DIR;
+    protected final HashMap<String, Index> indexes = new HashMap<String, Index>();
+    protected IndexManager indexManager;
+
+    public void setUp() throws Exception {
+        ROOT_DIR = new File(IOHelper.getDefaultDataDirectory());
+        IOHelper.mkdirs(ROOT_DIR);
+        IOHelper.deleteChildren(ROOT_DIR);
+        indexManager = new IndexManager(ROOT_DIR, getClass().getName(), "rw", null, new AtomicLong());
+    }
+
+    protected void tearDown() throws Exception {
+        for (Index i : indexes.values()) {
+            try {
+                i.unload();
+            } catch (Throwable ignore) {
+            }
+        }
+        indexManager.close();
+    }
+
+    abstract protected Index createIndex(File root, String name) throws Exception;
+
+    synchronized private Index openIndex(String name) throws Exception {
+        Index index = indexes.get(name);
+        if (index == null) {
+            index = createIndex(ROOT_DIR, name);
+            index.load();
+            indexes.put(name, index);
+        }
+        return index;
+    }
+
+    class Producer extends Thread {
+        private final String name;
+        AtomicBoolean shutdown = new AtomicBoolean();
+
+        public Producer(String name) {
+            super("Producer: " + name);
+            this.name = name;
+        }
+
+        public void shutdown() {
+            shutdown.set(true);
+        }
+
+        @Override
+        public void run() {
+            try {
+
+                IndexItem value = indexManager.createNewIndex();
+                indexManager.storeIndex(value);
+
+                Index index = openIndex(name);
+                long counter = 0;
+                while (!shutdown.get()) {
+                    long c = counter;
+
+                    String key = "a-long-message-id-like-key-" + c;
+                    index.store(key, value);
+                    onProduced(counter++);
+                }
+
+            } catch (Throwable e) {
+                e.printStackTrace();
+            }
+        }
+
+        public void onProduced(long counter) {
+        }
+    }
+
+    class Consumer extends Thread {
+        private final String name;
+        AtomicBoolean shutdown = new AtomicBoolean();
+
+        public Consumer(String name) {
+            super("Consumer: " + name);
+            this.name = name;
+        }
+
+        public void shutdown() {
+            shutdown.set(true);
+        }
+
+        @Override
+        public void run() {
+            try {
+                Index index = openIndex(name);
+                long counter = 0;
+                while (!shutdown.get()) {
+                    long c = counter;
+                    String key = "a-long-message-id-like-key-" + c;
+                    StoreEntry record;
+                    record = index.get(key);
+                    if (record != null) {
+                        index.remove(key);
+                        onConsumed(counter++);
+                    } else {
+                        Thread.sleep(0);
+                    }
+                }
+            } catch (Throwable e) {
+                e.printStackTrace();
+            }
+        }
+
+        public void onConsumed(long counter) {
+        }
+    }
+
+    public void testLoad() throws Exception {
+
+        final Producer producers[] = new Producer[INDEX_COUNT];
+        final Consumer consumers[] = new Consumer[INDEX_COUNT];
+        final CountDownLatch preloadCountDown = new CountDownLatch(INDEX_COUNT);
+        final AtomicLong producedRecords = new AtomicLong();
+        final AtomicLong consumedRecords = new AtomicLong();
+
+        System.out.println("Starting: " + INDEX_COUNT + " producers");
+        for (int i = 0; i < INDEX_COUNT; i++) {
+            producers[i] = new Producer("test-" + i) {
+                private boolean prelaodDone;
+
+                public void onProduced(long counter) {
+                    if (!prelaodDone && counter >= INDEX_PRE_LOAD_COUNT) {
+                        prelaodDone = true;
+                        preloadCountDown.countDown();
+                    }
+                    producedRecords.incrementAndGet();
+                }
+            };
+            producers[i].start();
+        }
+
+        long start = System.currentTimeMillis();
+        System.out.println("Waiting for each producer create " + INDEX_PRE_LOAD_COUNT + "
records before starting the consumers.");
+        preloadCountDown.await();
+        long end = System.currentTimeMillis();
+        System.out.println("Preloaded " + INDEX_PRE_LOAD_COUNT * INDEX_COUNT + " records
at " + (INDEX_PRE_LOAD_COUNT * INDEX_COUNT * 1000f / (end - start)) + " records/sec");
+
+        System.out.println("Starting: " + INDEX_COUNT + " consumers");
+        for (int i = 0; i < INDEX_COUNT; i++) {
+            consumers[i] = new Consumer("test-" + i) {
+                public void onConsumed(long counter) {
+                    consumedRecords.incrementAndGet();
+                }
+            };
+            consumers[i].start();
+        }
+
+        long sample_start = System.currentTimeMillis();
+        System.out.println("Taking " + SAMPLES + " performance samples every " + SAMPLE_DURATION
+ " ms");
+        System.out.println("time (s), produced, produce rate (r/s), consumed, consume rate
(r/s), used memory (k)");
+        producedRecords.set(0);
+        consumedRecords.set(0);
+        for (int i = 0; i < SAMPLES; i++) {
+            start = System.currentTimeMillis();
+            Thread.sleep(SAMPLE_DURATION);
+            end = System.currentTimeMillis();
+            long p = producedRecords.getAndSet(0);
+            long c = consumedRecords.getAndSet(0);
+
+            long usedMemory = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
+
+            System.out.println(((end-sample_start)/1000f)+", "+p+", "+(p * 1000f / (end -
start)) + ", "+ c+", " + (c * 1000f / (end - start))+", "+(usedMemory/(1024)) );
+        }
+        System.out.println("Samples done... Shutting down the producers and consumers...");
+        for (int i = 0; i < INDEX_COUNT; i++) {
+            producers[i].shutdown();
+            consumers[i].shutdown();
+        }
+        for (int i = 0; i < INDEX_COUNT; i++) {
+            producers[i].join(1000 * 5);
+            consumers[i].join(1000 * 5);
+        }
+        System.out.println("Shutdown.");
+    }
+
+}

Propchange: activemq/trunk/activemq-core/src/test/java/org/apache/activemq/kaha/impl/index/IndexBenchmark.java
------------------------------------------------------------------------------
    svn:executable = *

Added: activemq/trunk/activemq-core/src/test/java/org/apache/activemq/kaha/impl/index/hash/HashIndexBenchMark.java
URL: http://svn.apache.org/viewvc/activemq/trunk/activemq-core/src/test/java/org/apache/activemq/kaha/impl/index/hash/HashIndexBenchMark.java?rev=677716&view=auto
==============================================================================
--- activemq/trunk/activemq-core/src/test/java/org/apache/activemq/kaha/impl/index/hash/HashIndexBenchMark.java
(added)
+++ activemq/trunk/activemq-core/src/test/java/org/apache/activemq/kaha/impl/index/hash/HashIndexBenchMark.java
Thu Jul 17 13:44:04 2008
@@ -0,0 +1,37 @@
+/**
+ * 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.activemq.kaha.impl.index.hash;
+
+import java.io.File;
+
+import org.apache.activemq.kaha.Store;
+import org.apache.activemq.kaha.impl.index.Index;
+import org.apache.activemq.kaha.impl.index.IndexBenchmark;
+import org.apache.activemq.kaha.impl.index.hash.HashIndex;
+
+public class HashIndexBenchMark extends IndexBenchmark {
+
+    @Override
+    protected Index createIndex(File root, String name) throws Exception {
+        HashIndex index = new HashIndex(root, name, indexManager);
+        index.setNumberOfBins(12);
+        index.setPageSize(32 * 1024);
+        index.setKeyMarshaller(Store.STRING_MARSHALLER);
+        return index;
+    }
+
+}



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