| /** |
| * 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.apex.benchmark.script; |
| |
| import org.apache.apex.benchmark.RandomMapOutput; |
| import org.apache.apex.malhar.contrib.ruby.RubyOperator; |
| import org.apache.apex.malhar.lib.io.ConsoleOutputOperator; |
| import org.apache.apex.malhar.lib.testbench.RandomEventGenerator; |
| import org.apache.hadoop.conf.Configuration; |
| |
| import com.datatorrent.api.Context.PortContext; |
| import com.datatorrent.api.DAG; |
| import com.datatorrent.api.DAG.Locality; |
| |
| import com.datatorrent.api.StreamingApplication; |
| import com.datatorrent.api.annotation.ApplicationAnnotation; |
| |
| /** |
| * |
| * Application to benchmark the performance of ruby operator. |
| * The operator was tested on the DT cluster and the |
| * number of tuples processed by the operator per second were around 11,500 |
| * |
| * @since 1.0.4 |
| */ |
| // Dependent on libjar: jruby-core-1.7.12.jar |
| @ApplicationAnnotation(name = "RubyOperatorBenchmarkApplication") |
| public class RubyOperatorBenchmarkApplication implements StreamingApplication |
| { |
| public static final int QUEUE_CAPACITY = 16 * 1024; |
| private final Locality locality = null; |
| |
| @Override |
| public void populateDAG(DAG dag, Configuration conf) |
| { |
| |
| RandomEventGenerator rand = dag.addOperator("rand", new RandomEventGenerator()); |
| rand.setMaxvalue(3000); |
| rand.setTuplesBlast(120); |
| |
| RandomMapOutput randMap = dag.addOperator("randMap", new RandomMapOutput()); |
| randMap.setKey("val"); |
| |
| RubyOperator ruby = dag.addOperator("ruby", new RubyOperator()); |
| String setupScript = "def square(val)\n"; |
| setupScript += " return val*val\nend\n"; |
| ruby.addSetupScript(setupScript); |
| ruby.setInvoke("square"); |
| ruby.setPassThru(true); |
| |
| ConsoleOutputOperator console = dag.addOperator("console", new ConsoleOutputOperator()); |
| dag.getMeta(console).getMeta(console.input).getAttributes().put(PortContext.QUEUE_CAPACITY, QUEUE_CAPACITY); |
| dag.getMeta(ruby).getMeta(ruby.result).getAttributes().put(PortContext.QUEUE_CAPACITY, QUEUE_CAPACITY); |
| dag.addStream("rand_randMap", rand.integer_data, randMap.input).setLocality(Locality.THREAD_LOCAL); |
| dag.addStream("randMap_ruby", randMap.map_data, ruby.inBindings).setLocality(locality); |
| dag.addStream("ruby_console", ruby.result, console.input).setLocality(locality); |
| } |
| |
| } |