1 files changed, 146 insertions, 0 deletions
diff --git a/sandbox/old/contrib/persistence/store.journal/src/test/java/org/apache/tuscany/persistence/store/journal/performance/JournalThroughputTest.java b/sandbox/old/contrib/persistence/store.journal/src/test/java/org/apache/tuscany/persistence/store/journal/performance/JournalThroughputTest.java
new file mode 100644
index 0000000000..7a3e8fa308
--- /dev/null
+++ b/sandbox/old/contrib/persistence/store.journal/src/test/java/org/apache/tuscany/persistence/store/journal/performance/JournalThroughputTest.java
@@ -0,0 +1,146 @@
+/*
+ * 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.tuscany.persistence.store.journal.performance;
+
+import java.io.IOException;
+import java.util.UUID;
+import java.util.concurrent.BrokenBarrierException;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.CyclicBarrier;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.tuscany.spi.services.store.StoreWriteException;
+
+import org.apache.tuscany.persistence.store.journal.Journal;
+import static org.apache.tuscany.persistence.store.journal.SerializationHelper.serializeRecordId;
+import org.apache.tuscany.persistence.store.journal.TestUtils;
+
+/**
+ * Runs a basic throughput tests on Journal operations
+ * <p/>
+ * TODO this should be integrated with a Maven itest-based performance harness
+ *
+ * @version $Rev$ $Date$
+ */
+public class JournalThroughputTest {
+    private static final int SIZE = 1000;
+    private CyclicBarrier barrier;
+    private Journal journal;
+    private byte[] bytes;
+    private byte[] recordId;
+    private long now;
+    private CountDownLatch latch = new CountDownLatch(1);
+
+    public static void main(String[] args) throws Exception {
+        JournalThroughputTest test = new JournalThroughputTest();
+        test.testForcedWrites();
+        test.latch.await(5000, TimeUnit.MILLISECONDS);
+        test.testNonForcedWrites();
+    }
+
+    public void testForcedWrites() throws Exception {
+        TestUtils.cleanupLog();
+        journal = new Journal();
+        journal.open();
+        recordId = serializeRecordId("foo", UUID.randomUUID().toString());
+        bytes = "this is a test".getBytes();
+        final Thread[] threads = new Thread[SIZE];
+        barrier = new CyclicBarrier(SIZE, new Runnable() {
+            public void run() {
+                System.out.println("-----------------------------------------------------");
+                System.out.println("Journal.writeBlock() using forced writes");
+                System.out.println("Approx record size :" + (recordId.length + bytes.length));
+                System.out.println("Total threads :" + barrier.getNumberWaiting());
+                System.out.println("Forced writes :" + barrier.getNumberWaiting());
+                System.out.println("Time:" + (System.currentTimeMillis() - now));
+                try {
+                    journal.close();
+                    latch.countDown();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            }
+        });
+        for (int i = 0; i < SIZE; i++) {
+            threads[i] = new Thread(new Worker(true));
+        }
+        now = System.currentTimeMillis();
+        for (int i = 0; i < SIZE; i++) {
+            threads[i].start();
+        }
+    }
+
+    public void testNonForcedWrites() throws Exception {
+        TestUtils.cleanupLog();
+        journal = new Journal();
+        journal.open();
+        recordId = serializeRecordId("foo", UUID.randomUUID().toString());
+        bytes = "this is a test".getBytes();
+        final Thread[] threads = new Thread[SIZE];
+        barrier = new CyclicBarrier(SIZE, new Runnable() {
+            public void run() {
+                System.out.println("-----------------------------------------------------");
+                System.out.println("Journal.writeBlock() using non-forced writes");
+                System.out.println("Approx record size :" + (recordId.length + bytes.length));
+                System.out.println("Total threads :" + barrier.getNumberWaiting());
+                System.out.println("Forced writes :" + barrier.getNumberWaiting());
+                System.out.println("Time:" + (System.currentTimeMillis() - now));
+                System.out.println("-----------------------------------------------------");
+                try {
+                    journal.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            }
+        });
+        for (int i = 0; i < SIZE; i++) {
+            threads[i] = new Thread(new Worker(false));
+        }
+        now = System.currentTimeMillis();
+        for (int i = 0; i < SIZE; i++) {
+            threads[i].start();
+        }
+    }
+
+    private class Worker implements Runnable {
+        boolean forced;
+
+        public Worker(boolean forced) {
+            this.forced = forced;
+        }
+
+        public void run() {
+            try {
+                journal.writeBlock(bytes, recordId, forced);
+                barrier.await();
+            } catch (StoreWriteException e) {
+                e.printStackTrace();
+            } catch (BrokenBarrierException e) {
+                e.printStackTrace();
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+}