| /** |
| * 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 com.datatorrent.benchmark.stream; |
| |
| 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; |
| import com.datatorrent.lib.stream.DevNull; |
| import com.datatorrent.lib.stream.StreamDuplicater; |
| |
| /** |
| * Benchmark App for StreamDuplicater Operator. |
| * This operator is benchmarked to emit 1,700,000 tuples/sec on cluster node. |
| * |
| * @since 2.0.0 |
| */ |
| @ApplicationAnnotation(name = "StreamDuplicaterApp") |
| public class StreamDuplicaterApp implements StreamingApplication |
| { |
| private final Locality locality = null; |
| public static final int QUEUE_CAPACITY = 16 * 1024; |
| |
| @Override |
| public void populateDAG(DAG dag, Configuration conf) |
| { |
| // RandomEventGenerator rand = dag.addOperator("rand", new RandomEventGenerator()); |
| // rand.setMinvalue(0); |
| // rand.setMaxvalue(999999); |
| // rand.setTuplesBlastIntervalMillis(50); |
| // dag.getMeta(rand).getMeta(rand.integer_data).getAttributes().put(PortContext.QUEUE_CAPACITY, QUEUE_CAPACITY); |
| IntegerOperator intInput = dag.addOperator("intInput", new IntegerOperator()); |
| StreamDuplicater stream = dag.addOperator("stream", new StreamDuplicater()); |
| dag.getMeta(stream).getMeta(stream.data).getAttributes().put(PortContext.QUEUE_CAPACITY, QUEUE_CAPACITY); |
| dag.addStream("streamdup1", intInput.integer_data, stream.data).setLocality(locality); |
| DevNull<Integer> dev1 = dag.addOperator("dev1", new DevNull()); |
| DevNull<Integer> dev2 = dag.addOperator("dev2", new DevNull()); |
| dag.addStream("streamdup2", stream.out1, dev1.data).setLocality(locality); |
| dag.addStream("streamdup3", stream.out2, dev2.data).setLocality(locality); |
| |
| } |
| |
| } |