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From thom...@apache.org
Subject svn commit: r1548152 - /jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/cluster/ManyChildrenTest.java
Date Thu, 05 Dec 2013 14:26:18 GMT
Author: thomasm
Date: Thu Dec  5 14:26:18 2013
New Revision: 1548152

URL: http://svn.apache.org/r1548152
Log:
OAK-857 MongoMK: support for many child nodes (test case)

Added:
    jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/cluster/ManyChildrenTest.java

Added: jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/cluster/ManyChildrenTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/cluster/ManyChildrenTest.java?rev=1548152&view=auto
==============================================================================
--- jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/cluster/ManyChildrenTest.java
(added)
+++ jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/cluster/ManyChildrenTest.java
Thu Dec  5 14:26:18 2013
@@ -0,0 +1,134 @@
+/*
+ * 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.jackrabbit.oak.jcr.cluster;
+
+import static org.junit.Assert.assertEquals;
+
+import javax.jcr.Node;
+import javax.jcr.Repository;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.SimpleCredentials;
+
+import org.apache.jackrabbit.oak.jcr.Jcr;
+import org.apache.jackrabbit.oak.jcr.NodeStoreFixture;
+import org.apache.jackrabbit.oak.spi.state.NodeStore;
+import org.h2.util.Profiler;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * A simple, temporary benchmark for many child nodes.
+ */
+public class ManyChildrenTest {
+
+    NodeStoreFixture fixture = NodeStoreFixture.MONGO_NS;
+//    NodeStoreFixture fixture = NodeStoreFixture.MONGO_MK;
+//    NodeStoreFixture fixture = NodeStoreFixture.SEGMENT_MK;
+    
+    Session session;
+    NodeStore nodeStore;
+    
+    @Before
+    public void init() throws RepositoryException {
+        
+        // to test in a cluster, use:
+        // nodeStore = fixture.createNodeStore(1);
+        nodeStore = fixture.createNodeStore();
+        
+        if (nodeStore != null) {
+            Repository rep  = new Jcr(nodeStore).createRepository();
+            session = rep.login(new SimpleCredentials("admin", "admin".toCharArray()));
+        }
+    }
+    
+    @After
+    public void logout() {
+        if (session != null) {
+            session.logout();
+            fixture.dispose(nodeStore);
+        }
+    }
+    
+    @Test
+    public void manyChildrenWithoutIndex() throws Exception {
+        if (session == null) {
+            return;
+        }
+        Node index = session.getRootNode().getNode("oak:index");
+        if (index.hasNode("nodetype")) {
+            index.getNode("nodetype").remove();
+            session.save();
+        }
+        long start = System.currentTimeMillis(), last = start;
+        
+        // to test with more nodes, use:
+        // int count = 1000000;
+        int count = 10;
+        
+        Profiler prof = null;
+        String nodeType = "oak:unstructured";
+        if (session.getRootNode().hasNode("many")) {
+            session.getRootNode().getNode("many").remove();
+            session.save();
+        }
+        Node many = session.getRootNode().addNode("many", nodeType);
+        for (int i = 0; i < count; i++) {
+            Node n = many.addNode("test" + i, nodeType);
+            n.setProperty("prop", i);
+            if (i % 100 == 0) {
+                session.save();
+            }
+            long now = System.currentTimeMillis();
+            if (now - last > 5000) {
+                int opsPerSecond = (int) (i * 1000 / (now - start));
+                System.out.println(i + " ops; " + opsPerSecond + " op/s");
+                last = now;
+                if (prof != null) {
+                    System.out.println(prof.getTop(5));
+                }
+                if (opsPerSecond < 1000 && i % 100 == 0) {
+                    prof = new Profiler();
+                    prof.startCollecting();
+                }
+            }
+        }
+        
+        start = System.currentTimeMillis();
+        last = start;
+
+        for (int i = 0; i < count; i++) {
+            Node n = many.getNode("test" + i);
+            long x = n.getProperty("prop").getValue().getLong();
+            assertEquals(i, x);
+            long now = System.currentTimeMillis();
+            if (now - last > 5000) {
+                int opsPerSecond = (int) (i * 1000 / (now - start));
+                System.out.println(i + " read ops; " + opsPerSecond + " op/s");
+                last = now;
+                if (prof != null) {
+                    System.out.println(prof.getTop(5));
+                }
+                if (opsPerSecond < 1000 && i % 100 == 0) {
+                    prof = new Profiler();
+                    prof.startCollecting();
+                }
+            }
+        }
+    }
+}



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