| /* |
| * 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.hugegraph.example; |
| |
| import java.util.List; |
| |
| import org.apache.hugegraph.HugeFactory; |
| import org.apache.hugegraph.util.Log; |
| import org.apache.tinkerpop.gremlin.structure.Vertex; |
| import org.slf4j.Logger; |
| |
| /** |
| * Perf test for: query vertices with indexes and limit |
| */ |
| public class PerfExample4 extends PerfExample3 { |
| |
| private static final Logger LOG = Log.logger(PerfExample3.class); |
| |
| /** |
| * Main method |
| * |
| * @param args 3 arguments, 1st should be 1, meaning single thread, |
| * product of 2nd and 3rd is total number of "person" vertices |
| * @throws InterruptedException |
| */ |
| public static void main(String[] args) throws Exception { |
| PerfExample4 tester = new PerfExample4(); |
| tester.test(args); |
| |
| // Stop daemon thread |
| HugeFactory.shutdown(30L); |
| } |
| |
| @Override |
| protected void testQueryVertex(GraphManager graph, |
| int threads, |
| int thread, |
| int multiple) { |
| int total = threads * multiple * 100; |
| for (int i = 1; i <= total; i *= 10) { |
| LOG.info(">>>> limit {} <<<<", i); |
| long current = System.currentTimeMillis(); |
| List<Vertex> persons = graph.traversal().V() |
| .hasLabel("person") |
| .limit(i).toList(); |
| assert persons.size() == i; |
| LOG.info(">>>> query by label index, cost: {}ms", elapsed(current)); |
| |
| current = System.currentTimeMillis(); |
| persons = graph.traversal().V() |
| .has("city", "Hongkong") |
| .limit(i) |
| .toList(); |
| assert persons.size() == i; |
| LOG.info(">>>> query by secondary index, cost: {}ms", |
| elapsed(current)); |
| |
| current = System.currentTimeMillis(); |
| persons = graph.traversal().V() |
| .has("age", 3) |
| .limit(i) |
| .toList(); |
| assert persons.size() == i; |
| LOG.info(">>>> query by range index, cost: {}ms", elapsed(current)); |
| } |
| } |
| |
| protected static long elapsed(long start) { |
| long current = System.currentTimeMillis(); |
| return current - start; |
| } |
| } |