| /* |
| * 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.perf; |
| |
| import java.util.Map; |
| import org.apache.storm.Config; |
| import org.apache.storm.generated.StormTopology; |
| import org.apache.storm.hdfs.spout.HdfsSpout; |
| import org.apache.storm.hdfs.spout.TextFileReader; |
| import org.apache.storm.perf.bolt.DevNullBolt; |
| import org.apache.storm.perf.utils.Helper; |
| import org.apache.storm.topology.TopologyBuilder; |
| import org.apache.storm.utils.Utils; |
| |
| /** |
| * This topo helps measure speed of reading from Hdfs. |
| * |
| * <p>Spout Reads from Hdfs. |
| * |
| * <p>Bolt acks and discards tuples. |
| */ |
| public class HdfsSpoutNullBoltTopo { |
| public static final int DEFAULT_SPOUT_NUM = 1; |
| public static final int DEFAULT_BOLT_NUM = 1; |
| // names |
| static final String TOPOLOGY_NAME = "HdfsSpoutNullBoltTopo"; |
| static final String SPOUT_ID = "hdfsSpout"; |
| static final String BOLT_ID = "devNullBolt"; |
| // configs |
| static final String SPOUT_NUM = "spout.count"; |
| static final String BOLT_NUM = "bolt.count"; |
| static final String HDFS_URI = "hdfs.uri"; |
| static final String SOURCE_DIR = "hdfs.source.dir"; |
| static final String ARCHIVE_DIR = "hdfs.archive.dir"; |
| static final String BAD_DIR = "hdfs.bad.dir"; |
| |
| static StormTopology getTopology(Map<String, Object> config) { |
| |
| final int spoutNum = Helper.getInt(config, SPOUT_NUM, DEFAULT_SPOUT_NUM); |
| final int boltNum = Helper.getInt(config, BOLT_NUM, DEFAULT_BOLT_NUM); |
| final String fileFormat = Helper.getStr(config, "text"); |
| final String hdfsUri = Helper.getStr(config, HDFS_URI); |
| final String sourceDir = Helper.getStr(config, SOURCE_DIR); |
| final String archiveDir = Helper.getStr(config, ARCHIVE_DIR); |
| final String badDir = Helper.getStr(config, BAD_DIR); |
| |
| |
| // 1 - Setup Hdfs Spout -------- |
| HdfsSpout spout = new HdfsSpout() |
| .setReaderType(fileFormat) |
| .setHdfsUri(hdfsUri) |
| .setSourceDir(sourceDir) |
| .setArchiveDir(archiveDir) |
| .setBadFilesDir(badDir) |
| .withOutputFields(TextFileReader.defaultFields); |
| |
| // 2 - DevNull Bolt -------- |
| DevNullBolt bolt = new DevNullBolt(); |
| |
| // 3 - Setup Topology -------- |
| TopologyBuilder builder = new TopologyBuilder(); |
| builder.setSpout(SPOUT_ID, spout, spoutNum); |
| builder.setBolt(BOLT_ID, bolt, boltNum) |
| .localOrShuffleGrouping(SPOUT_ID); |
| |
| return builder.createTopology(); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| if (args.length != 2) { |
| System.err.println("args: runDurationSec topConfFile"); |
| return; |
| } |
| |
| final Integer durationSec = Integer.parseInt(args[0]); |
| Config topoConf = new Config(); |
| topoConf.putAll(Utils.findAndReadConfigFile(args[1])); |
| topoConf.put(Config.TOPOLOGY_PRODUCER_BATCH_SIZE, 1000); |
| topoConf.put(Config.TOPOLOGY_BOLT_WAIT_STRATEGY, "org.apache.storm.policy.WaitStrategyPark"); |
| topoConf.put(Config.TOPOLOGY_BOLT_WAIT_PARK_MICROSEC, 0); |
| topoConf.put(Config.TOPOLOGY_DISABLE_LOADAWARE_MESSAGING, true); |
| topoConf.put(Config.TOPOLOGY_STATS_SAMPLE_RATE, 0.0005); |
| |
| topoConf.putAll(Utils.readCommandLineOpts()); |
| // Submit to Storm cluster |
| Helper.runOnClusterAndPrintMetrics(durationSec, TOPOLOGY_NAME, topoConf, getTopology(topoConf)); |
| } |
| } |