/*
* 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 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;
import static org.junit.Assert.assertEquals;
/**
* 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();
}
}
}
}
}