| /** |
| * 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.window; |
| |
| import java.io.IOException; |
| import java.io.Serializable; |
| |
| import org.joda.time.Duration; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.apex.malhar.lib.state.managed.UnboundedTimeBucketAssigner; |
| import org.apache.apex.malhar.lib.state.spillable.SpillableComplexComponentImpl; |
| import org.apache.apex.malhar.lib.state.spillable.SpillableStateStore; |
| import org.apache.apex.malhar.lib.state.spillable.managed.ManagedTimeUnifiedStateSpillableStateStore; |
| import org.apache.apex.malhar.lib.window.Accumulation; |
| import org.apache.apex.malhar.lib.window.TriggerOption; |
| import org.apache.apex.malhar.lib.window.WindowOption; |
| import org.apache.apex.malhar.lib.window.WindowedStorage; |
| import org.apache.apex.malhar.lib.window.impl.AbstractWindowedOperator; |
| import org.apache.apex.malhar.lib.window.impl.InMemoryWindowedStorage; |
| import org.apache.hadoop.conf.Configuration; |
| |
| import com.google.common.base.Throwables; |
| import com.google.common.collect.Lists; |
| |
| import com.datatorrent.api.Context.OperatorContext; |
| import com.datatorrent.api.DAG; |
| import com.datatorrent.api.DAG.Locality; |
| import com.datatorrent.api.Operator; |
| import com.datatorrent.api.Stats.OperatorStats; |
| import com.datatorrent.api.StatsListener; |
| import com.datatorrent.api.StreamingApplication; |
| import com.datatorrent.benchmark.window.WindowedOperatorBenchmarkApp.WindowedGenerator; |
| import com.datatorrent.lib.fileaccess.TFileImpl; |
| import com.datatorrent.lib.stream.DevNull; |
| |
| /** |
| * @since 3.7.0 |
| */ |
| public abstract class AbstractWindowedOperatorBenchmarkApp<G extends Operator, O extends AbstractWindowedOperator> |
| implements StreamingApplication |
| { |
| protected static final String PROP_STORE_PATH = "dt.application.WindowedOperatorBenchmark.storeBasePath"; |
| protected static final String DEFAULT_BASE_PATH = "WindowedOperatorBenchmark/Store"; |
| protected static final int ALLOWED_LATENESS = 19000; |
| |
| protected int timeRange = 1000 * 60; // one minute range of hot keys |
| |
| protected Class<G> generatorClass; |
| protected Class<O> windowedOperatorClass; |
| |
| @Override |
| public void populateDAG(DAG dag, Configuration conf) |
| { |
| TestStatsListener sl = new TestStatsListener(); |
| sl.adjustRate = conf.getBoolean("dt.ManagedStateBenchmark.adjustRate", false); |
| |
| G generator = createGenerator(); |
| dag.addOperator("Generator", generator); |
| //generator.setRange(timeRange); |
| dag.setAttribute(generator, OperatorContext.STATS_LISTENERS, Lists.newArrayList((StatsListener)sl)); |
| |
| O windowedOperator = createWindowedOperator(conf); |
| dag.addOperator("windowedOperator", windowedOperator); |
| dag.setAttribute(windowedOperator, OperatorContext.STATS_LISTENERS, Lists.newArrayList((StatsListener)sl)); |
| //dag.addStream("Data", generator.data, windowedOperator.input).setLocality(Locality.CONTAINER_LOCAL); |
| connectGeneratorToWindowedOperator(dag, generator, windowedOperator); |
| |
| // WatermarkGenerator watermarkGenerator = new WatermarkGenerator(); |
| // dag.addOperator("WatermarkGenerator", watermarkGenerator); |
| // dag.addStream("Control", watermarkGenerator.control, windowedOperator.controlInput) |
| // .setLocality(Locality.CONTAINER_LOCAL); |
| |
| DevNull output = dag.addOperator("output", new DevNull()); |
| dag.addStream("output", windowedOperator.output, output.data).setLocality(Locality.CONTAINER_LOCAL); |
| } |
| |
| protected G createGenerator() |
| { |
| try { |
| return generatorClass.newInstance(); |
| } catch (Exception e) { |
| throw Throwables.propagate(e); |
| } |
| } |
| |
| protected O createWindowedOperator(Configuration conf) |
| { |
| SpillableStateStore store = createStore(conf); |
| try { |
| O windowedOperator = this.windowedOperatorClass.newInstance(); |
| SpillableComplexComponentImpl sccImpl = new SpillableComplexComponentImpl(store); |
| windowedOperator.addComponent("SpillableComplexComponent", sccImpl); |
| |
| windowedOperator.setDataStorage(createDataStorage(sccImpl)); |
| windowedOperator.setRetractionStorage(createRetractionStorage(sccImpl)); |
| windowedOperator.setWindowStateStorage(new InMemoryWindowedStorage()); |
| setUpdatedKeyStorage(windowedOperator, conf, sccImpl); |
| windowedOperator.setAccumulation(createAccumulation()); |
| |
| windowedOperator.setAllowedLateness(Duration.millis(ALLOWED_LATENESS)); |
| windowedOperator.setWindowOption(new WindowOption.TimeWindows(Duration.standardMinutes(1))); |
| //accumulating mode |
| windowedOperator.setTriggerOption(TriggerOption.AtWatermark() |
| .withEarlyFiringsAtEvery(Duration.standardSeconds(1)).accumulatingFiredPanes().firingOnlyUpdatedPanes()); |
| windowedOperator.setFixedWatermark(30000); |
| //windowedOperator.setTriggerOption(TriggerOption.AtWatermark()); |
| |
| return windowedOperator; |
| } catch (Exception e) { |
| throw Throwables.propagate(e); |
| } |
| } |
| |
| protected void setUpdatedKeyStorage(O windowedOperator, Configuration conf, SpillableComplexComponentImpl sccImpl) |
| { |
| } |
| |
| protected abstract WindowedStorage createDataStorage(SpillableComplexComponentImpl sccImpl); |
| |
| protected abstract WindowedStorage createRetractionStorage(SpillableComplexComponentImpl sccImpl); |
| |
| protected abstract Accumulation createAccumulation(); |
| |
| protected abstract void connectGeneratorToWindowedOperator(DAG dag, G generator, O windowedOperator); |
| |
| protected SpillableStateStore createStore(Configuration conf) |
| { |
| String basePath = getStoreBasePath(conf); |
| ManagedTimeUnifiedStateSpillableStateStore store = new ManagedTimeUnifiedStateSpillableStateStore(); |
| store.setTimeBucketAssigner(new UnboundedTimeBucketAssigner()); |
| store.getTimeBucketAssigner().setBucketSpan(Duration.millis(10000)); |
| ((TFileImpl.DTFileImpl)store.getFileAccess()).setBasePath(basePath); |
| |
| return store; |
| } |
| |
| public String getStoreBasePath(Configuration conf) |
| { |
| String basePath = conf.get(PROP_STORE_PATH); |
| if (basePath == null || basePath.isEmpty()) { |
| basePath = DEFAULT_BASE_PATH; |
| } |
| return basePath; |
| } |
| |
| public static class TestStatsListener implements StatsListener, Serializable |
| { |
| private static final Logger LOG = LoggerFactory.getLogger(TestStatsListener.class); |
| private static final long serialVersionUID = 1L; |
| SetPropertyRequest cmd = new SetPropertyRequest(); |
| |
| long uwId; |
| long dwId; |
| long resumewid; |
| int rate; |
| int queueSize; |
| boolean adjustRate; |
| |
| @Override |
| public Response processStats(BatchedOperatorStats stats) |
| { |
| if (!stats.getLastWindowedStats().isEmpty()) { |
| OperatorStats os = stats.getLastWindowedStats().get(stats.getLastWindowedStats().size() - 1); |
| if (os.inputPorts != null && !os.inputPorts.isEmpty()) { |
| dwId = os.windowId; |
| queueSize = os.inputPorts.get(0).queueSize; |
| if (uwId - dwId < 5) { |
| // keep operator busy |
| rate = Math.max(1000, rate); |
| rate += rate / 10; |
| } else if (uwId - dwId > 20) { |
| // operator is behind |
| if (resumewid < dwId) { |
| resumewid = uwId - 15; |
| rate -= rate / 10; |
| } |
| } |
| } else { |
| //LOG.debug("uwid-dwid {} skip {} rate {}, queueSize {}", uwId - dwId, resumewid - dwId, rate, queueSize); |
| // upstream operator |
| uwId = os.windowId; |
| if (adjustRate) { |
| Response rsp = new Response(); |
| cmd.rate = resumewid < dwId ? rate : 0; |
| rsp.operatorRequests = Lists.newArrayList(cmd); |
| return rsp; |
| } |
| } |
| } |
| return null; |
| } |
| |
| public static class SetPropertyRequest implements OperatorRequest, Serializable |
| { |
| private static final long serialVersionUID = 1L; |
| int rate; |
| |
| @Override |
| public OperatorResponse execute(Operator oper, int arg1, long arg2) throws IOException |
| { |
| if (oper instanceof WindowedGenerator) { |
| LOG.debug("Setting rate to {}", rate); |
| ((WindowedGenerator)oper).rate = rate; |
| } |
| return null; |
| } |
| } |
| } |
| } |