| /** |
| * 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.testbench; |
| |
| import java.util.HashMap; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| 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.testbench.ThroughputCounter; |
| |
| /** |
| * Benchmark App for ThroughputCounter Operator. |
| * This operator is benchmarked to emit 750 tuples/sec on cluster node. |
| * |
| * @since 2.0.0 |
| */ |
| @ApplicationAnnotation(name = "ThroughputCounterApp") |
| public class ThroughputCounterApp implements StreamingApplication |
| { |
| public static final int QUEUE_CAPACITY = 16 * 1024; |
| private final Locality locality = null; |
| |
| @Override |
| public void populateDAG(DAG dag, Configuration conf) |
| { |
| ThroughputCounter counter = dag.addOperator("counter", new ThroughputCounter()); |
| HashMapOperator oper = dag.addOperator("oper", new HashMapOperator()); |
| DevNull<HashMap<String, Number>> dev = dag.addOperator("dev", new DevNull()); |
| dag.addStream("count1", oper.hmapInt_data, counter.data).setLocality(locality); |
| dag.addStream("count2", counter.count, dev.data).setLocality(locality); |
| |
| } |
| |
| } |