| /** |
| * 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.storm.loadgen; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.apache.commons.cli.CommandLine; |
| import org.apache.commons.cli.CommandLineParser; |
| import org.apache.commons.cli.DefaultParser; |
| import org.apache.commons.cli.HelpFormatter; |
| import org.apache.commons.cli.Option; |
| import org.apache.commons.cli.Options; |
| import org.apache.commons.cli.ParseException; |
| import org.apache.storm.Config; |
| import org.apache.storm.generated.ClusterSummary; |
| import org.apache.storm.generated.Nimbus; |
| import org.apache.storm.generated.TopologySummary; |
| import org.apache.storm.loadgen.CaptureLoad; |
| import org.apache.storm.utils.NimbusClient; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Estimate the throughput of all topologies. |
| */ |
| public class EstimateThroughput { |
| private static final Logger LOG = LoggerFactory.getLogger(EstimateThroughput.class); |
| |
| /** |
| * Main entry point for estimate throughput command. |
| * @param args the command line arguments. |
| * @throws Exception on any error. |
| */ |
| public static void main(String[] args) throws Exception { |
| Options options = new Options(); |
| options.addOption(Option.builder("h") |
| .longOpt("help") |
| .desc("Print a help message") |
| .build()); |
| CommandLineParser parser = new DefaultParser(); |
| CommandLine cmd = null; |
| boolean printHelp = false; |
| try { |
| cmd = parser.parse(options, args); |
| } catch (ParseException e) { |
| System.err.println("ERROR " + e.getMessage()); |
| printHelp = true; |
| } |
| if (printHelp || cmd.hasOption('h')) { |
| new HelpFormatter().printHelp("EstimateThroughput [options] [topologyName]*", options); |
| return; |
| } |
| |
| Config conf = new Config(); |
| int exitStatus = -1; |
| |
| List<TopologyLoadConf> regular = new ArrayList<>(); |
| List<TopologyLoadConf> trident = new ArrayList<>(); |
| |
| try (NimbusClient nc = NimbusClient.getConfiguredClient(conf)) { |
| Nimbus.Iface client = nc.getClient(); |
| List<String> topologyNames = cmd.getArgList(); |
| |
| for (TopologySummary topologySummary: client.getTopologySummaries()) { |
| if (topologyNames.isEmpty() || topologyNames.contains(topologySummary.get_name())) { |
| TopologyLoadConf capturedConf = CaptureLoad.captureTopology(client, topologySummary); |
| if (capturedConf.looksLikeTrident()) { |
| trident.add(capturedConf); |
| } else { |
| regular.add(capturedConf); |
| } |
| } |
| } |
| |
| System.out.println("TOPOLOGY\tTOTAL MESSAGES/sec\tESTIMATED INPUT MESSAGES/sec"); |
| for (TopologyLoadConf tl: regular) { |
| System.out.println(tl.name + "\t" + tl.getAllEmittedAggregate() + "\t" + tl.getSpoutEmittedAggregate()); |
| } |
| for (TopologyLoadConf tl: trident) { |
| System.out.println(tl.name + "\t" + tl.getAllEmittedAggregate() + "\t" + tl.getTridentEstimatedEmittedAggregate()); |
| } |
| exitStatus = 0; |
| } catch (Exception e) { |
| LOG.error("Error trying to capture topologies...", e); |
| } finally { |
| System.exit(exitStatus); |
| } |
| } |
| } |