| /** |
| * 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.fs; |
| |
| import org.apache.commons.lang.mutable.MutableLong; |
| import org.apache.hadoop.conf.Configuration; |
| |
| import com.datatorrent.api.Context.OperatorContext; |
| import com.datatorrent.api.Context.PortContext; |
| import com.datatorrent.api.DAG; |
| |
| import com.datatorrent.api.StreamingApplication; |
| |
| import com.datatorrent.api.annotation.ApplicationAnnotation; |
| |
| import com.datatorrent.lib.counters.BasicCounters; |
| |
| import com.datatorrent.lib.testbench.RandomWordGenerator; |
| |
| /** |
| * Application used to benchmark HDFS output operator |
| * The DAG consists of random word generator operator that is |
| * connected to HDFS output operator that writes to a file on HDFS.<p> |
| * |
| * @since 0.9.4 |
| */ |
| |
| @ApplicationAnnotation(name = "HDFSOutputOperatorBenchmarkingApp") |
| public class FSOutputOperatorBenchmark implements StreamingApplication |
| { |
| @Override |
| public void populateDAG(DAG dag, Configuration conf) |
| { |
| String filePath = "HDFSOutputOperatorBenchmarkingApp/" |
| + System.currentTimeMillis(); |
| |
| dag.setAttribute(DAG.STREAMING_WINDOW_SIZE_MILLIS, 1000); |
| |
| RandomWordGenerator wordGenerator = dag.addOperator("wordGenerator", RandomWordGenerator.class); |
| |
| dag.getOperatorMeta("wordGenerator").getMeta(wordGenerator.output) |
| .getAttributes().put(PortContext.QUEUE_CAPACITY, 10000); |
| dag.getOperatorMeta("wordGenerator").getAttributes() |
| .put(OperatorContext.APPLICATION_WINDOW_COUNT, 1); |
| |
| FSByteOutputOperator hdfsOutputOperator = dag.addOperator("hdfsOutputOperator", new FSByteOutputOperator()); |
| hdfsOutputOperator.setFilePath(filePath); |
| dag.getOperatorMeta("hdfsOutputOperator").getAttributes() |
| .put(OperatorContext.COUNTERS_AGGREGATOR, new BasicCounters.LongAggregator<MutableLong>()); |
| |
| dag.addStream("Generator2HDFSOutput", wordGenerator.output, hdfsOutputOperator.input); |
| } |
| } |
| |
| |