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* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* Licensed 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.
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package eu.stratosphere.test.iterative.nephele.customdanglingpagerank;
import eu.stratosphere.api.common.operators.util.UserCodeClassWrapper;
import eu.stratosphere.api.common.typeutils.TypeComparatorFactory;
import eu.stratosphere.api.common.typeutils.TypePairComparatorFactory;
import eu.stratosphere.api.common.typeutils.TypeSerializerFactory;
import eu.stratosphere.api.java.record.io.FileOutputFormat;
import eu.stratosphere.configuration.Configuration;
import eu.stratosphere.core.fs.Path;
import eu.stratosphere.nephele.jobgraph.DistributionPattern;
import eu.stratosphere.runtime.io.channels.ChannelType;
import eu.stratosphere.nephele.jobgraph.JobGraph;
import eu.stratosphere.nephele.jobgraph.JobInputVertex;
import eu.stratosphere.nephele.jobgraph.JobOutputVertex;
import eu.stratosphere.nephele.jobgraph.JobTaskVertex;
import eu.stratosphere.pact.runtime.iterative.task.IterationHeadPactTask;
import eu.stratosphere.pact.runtime.iterative.task.IterationIntermediatePactTask;
import eu.stratosphere.pact.runtime.iterative.task.IterationTailPactTask;
import eu.stratosphere.pact.runtime.shipping.ShipStrategyType;
import eu.stratosphere.pact.runtime.task.BuildSecondCachedMatchDriver;
import eu.stratosphere.pact.runtime.task.CoGroupDriver;
import eu.stratosphere.pact.runtime.task.DriverStrategy;
import eu.stratosphere.pact.runtime.task.CollectorMapDriver;
import eu.stratosphere.pact.runtime.task.util.LocalStrategy;
import eu.stratosphere.pact.runtime.task.util.TaskConfig;
import eu.stratosphere.test.iterative.nephele.JobGraphUtils;
import eu.stratosphere.test.iterative.nephele.customdanglingpagerank.types.VertexWithAdjacencyList;
import eu.stratosphere.test.iterative.nephele.customdanglingpagerank.types.VertexWithAdjacencyListComparatorFactory;
import eu.stratosphere.test.iterative.nephele.customdanglingpagerank.types.VertexWithAdjacencyListSerializerFactory;
import eu.stratosphere.test.iterative.nephele.customdanglingpagerank.types.VertexWithRank;
import eu.stratosphere.test.iterative.nephele.customdanglingpagerank.types.VertexWithRankAndDangling;
import eu.stratosphere.test.iterative.nephele.customdanglingpagerank.types.VertexWithRankAndDanglingComparatorFactory;
import eu.stratosphere.test.iterative.nephele.customdanglingpagerank.types.VertexWithRankAndDanglingSerializerFactory;
import eu.stratosphere.test.iterative.nephele.customdanglingpagerank.types.VertexWithRankComparatorFactory;
import eu.stratosphere.test.iterative.nephele.customdanglingpagerank.types.VertexWithRankDanglingToVertexWithAdjacencyListPairComparatorFactory;
import eu.stratosphere.test.iterative.nephele.customdanglingpagerank.types.VertexWithRankDanglingToVertexWithRankPairComparatorFactory;
import eu.stratosphere.test.iterative.nephele.customdanglingpagerank.types.VertexWithRankSerializerFactory;
import eu.stratosphere.test.iterative.nephele.danglingpagerank.DiffL1NormConvergenceCriterion;
import eu.stratosphere.test.iterative.nephele.danglingpagerank.PageRankStatsAggregator;
public class CustomCompensatableDanglingPageRank {
private static final int NUM_FILE_HANDLES_PER_SORT = 64;
private static final float SORT_SPILL_THRESHOLD = 0.85f;
private static final int ITERATION_ID = 1;
private static TypeSerializerFactory<VertexWithRank> vertexWithRankSerializer = new VertexWithRankSerializerFactory();
private static TypeSerializerFactory<VertexWithRankAndDangling> vertexWithRankAndDanglingSerializer = new VertexWithRankAndDanglingSerializerFactory();
private static TypeSerializerFactory<VertexWithAdjacencyList> vertexWithAdjacencyListSerializer = new VertexWithAdjacencyListSerializerFactory();
private static TypeComparatorFactory<VertexWithRank> vertexWithRankComparator = new VertexWithRankComparatorFactory();
private static TypeComparatorFactory<VertexWithRankAndDangling> vertexWithRankAndDanglingComparator = new VertexWithRankAndDanglingComparatorFactory();
private static TypeComparatorFactory<VertexWithAdjacencyList> vertexWithAdjacencyListComparator = new VertexWithAdjacencyListComparatorFactory();
private static TypePairComparatorFactory<VertexWithRankAndDangling, VertexWithAdjacencyList> matchComparator =
new VertexWithRankDanglingToVertexWithAdjacencyListPairComparatorFactory();
private static TypePairComparatorFactory<VertexWithRankAndDangling, VertexWithRank> coGroupComparator =
new VertexWithRankDanglingToVertexWithRankPairComparatorFactory();
// public static void main(String[] args) throws Exception {
// String confPath = args.length >= 6 ? confPath = args[5] : PlayConstants.PLAY_DIR + "local-conf";
//
// GlobalConfiguration.loadConfiguration(confPath);
// Configuration conf = GlobalConfiguration.getConfiguration();
//
// JobGraph jobGraph = getJobGraph(args);
// JobGraphUtils.submit(jobGraph, conf);
// }
public static JobGraph getJobGraph(String[] args) throws Exception {
int degreeOfParallelism = 2;
int numSubTasksPerInstance = degreeOfParallelism;
String pageWithRankInputPath = ""; //"file://" + PlayConstants.PLAY_DIR + "test-inputs/danglingpagerank/pageWithRank";
String adjacencyListInputPath = ""; //"file://" + PlayConstants.PLAY_DIR +
// "test-inputs/danglingpagerank/adjacencylists";
String outputPath = Path.constructTestURI("stratosphere_iterations");
// String confPath = PlayConstants.PLAY_DIR + "local-conf";
int minorConsumer = 2;
int matchMemory = 5;
int coGroupSortMemory = 5;
int numIterations = 25;
long numVertices = 5;
long numDanglingVertices = 1;
String failingWorkers = "1";
int failingIteration = 2;
double messageLoss = 0.75;
if (args.length >= 15) {
degreeOfParallelism = Integer.parseInt(args[0]);
numSubTasksPerInstance = Integer.parseInt(args[1]);
pageWithRankInputPath = args[2];
adjacencyListInputPath = args[3];
outputPath = args[4];
// confPath = args[5];
minorConsumer = Integer.parseInt(args[6]);
matchMemory = Integer.parseInt(args[7]);
coGroupSortMemory = Integer.parseInt(args[8]);
numIterations = Integer.parseInt(args[9]);
numVertices = Long.parseLong(args[10]);
numDanglingVertices = Long.parseLong(args[11]);
failingWorkers = args[12];
failingIteration = Integer.parseInt(args[13]);
messageLoss = Double.parseDouble(args[14]);
}
JobGraph jobGraph = new JobGraph("CompensatableDanglingPageRank");
// --------------- the inputs ---------------------
// page rank input
JobInputVertex pageWithRankInput = JobGraphUtils.createInput(new CustomImprovedDanglingPageRankInputFormat(),
pageWithRankInputPath, "DanglingPageWithRankInput", jobGraph, degreeOfParallelism, numSubTasksPerInstance);
TaskConfig pageWithRankInputConfig = new TaskConfig(pageWithRankInput.getConfiguration());
pageWithRankInputConfig.addOutputShipStrategy(ShipStrategyType.PARTITION_HASH);
pageWithRankInputConfig.setOutputComparator(vertexWithRankAndDanglingComparator, 0);
pageWithRankInputConfig.setOutputSerializer(vertexWithRankAndDanglingSerializer);
pageWithRankInputConfig.setStubParameter("pageRank.numVertices", String.valueOf(numVertices));
// edges as adjacency list
JobInputVertex adjacencyListInput = JobGraphUtils.createInput(new CustomImprovedAdjacencyListInputFormat(),
adjacencyListInputPath, "AdjancencyListInput", jobGraph, degreeOfParallelism, numSubTasksPerInstance);
TaskConfig adjacencyListInputConfig = new TaskConfig(adjacencyListInput.getConfiguration());
adjacencyListInputConfig.addOutputShipStrategy(ShipStrategyType.PARTITION_HASH);
adjacencyListInputConfig.setOutputSerializer(vertexWithAdjacencyListSerializer);
adjacencyListInputConfig.setOutputComparator(vertexWithAdjacencyListComparator, 0);
// --------------- the head ---------------------
JobTaskVertex head = JobGraphUtils.createTask(IterationHeadPactTask.class, "IterationHead", jobGraph,
degreeOfParallelism, numSubTasksPerInstance);
TaskConfig headConfig = new TaskConfig(head.getConfiguration());
headConfig.setIterationId(ITERATION_ID);
// initial input / partial solution
headConfig.addInputToGroup(0);
headConfig.setIterationHeadPartialSolutionOrWorksetInputIndex(0);
headConfig.setInputSerializer(vertexWithRankAndDanglingSerializer, 0);
headConfig.setInputComparator(vertexWithRankAndDanglingComparator, 0);
headConfig.setInputLocalStrategy(0, LocalStrategy.SORT);
headConfig.setMemoryInput(0, minorConsumer * JobGraphUtils.MEGABYTE);
headConfig.setFilehandlesInput(0, NUM_FILE_HANDLES_PER_SORT);
headConfig.setSpillingThresholdInput(0, SORT_SPILL_THRESHOLD);
// back channel / iterations
headConfig.setBackChannelMemory(minorConsumer * JobGraphUtils.MEGABYTE);
// output into iteration
headConfig.setOutputSerializer(vertexWithRankAndDanglingSerializer);
headConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
headConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
// final output
TaskConfig headFinalOutConfig = new TaskConfig(new Configuration());
headFinalOutConfig.setOutputSerializer(vertexWithRankAndDanglingSerializer);
headFinalOutConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
headConfig.setIterationHeadFinalOutputConfig(headFinalOutConfig);
// the sync
headConfig.setIterationHeadIndexOfSyncOutput(3);
headConfig.setNumberOfIterations(numIterations);
// the driver
headConfig.setDriver(CollectorMapDriver.class);
headConfig.setDriverStrategy(DriverStrategy.COLLECTOR_MAP);
headConfig.setStubWrapper(new UserCodeClassWrapper<CustomCompensatingMap>(CustomCompensatingMap.class));
headConfig.setStubParameter("pageRank.numVertices", String.valueOf(numVertices));
headConfig.setStubParameter("compensation.failingWorker", failingWorkers);
headConfig.setStubParameter("compensation.failingIteration", String.valueOf(failingIteration));
headConfig.setStubParameter("compensation.messageLoss", String.valueOf(messageLoss));
headConfig.addIterationAggregator(CustomCompensatableDotProductCoGroup.AGGREGATOR_NAME, PageRankStatsAggregator.class);
// --------------- the join ---------------------
JobTaskVertex intermediate = JobGraphUtils.createTask(IterationIntermediatePactTask.class,
"IterationIntermediate", jobGraph, degreeOfParallelism, numSubTasksPerInstance);
TaskConfig intermediateConfig = new TaskConfig(intermediate.getConfiguration());
intermediateConfig.setIterationId(ITERATION_ID);
// intermediateConfig.setDriver(RepeatableHashjoinMatchDriverWithCachedBuildside.class);
intermediateConfig.setDriver(BuildSecondCachedMatchDriver.class);
intermediateConfig.setDriverStrategy(DriverStrategy.HYBRIDHASH_BUILD_SECOND);
intermediateConfig.setMemoryDriver(matchMemory * JobGraphUtils.MEGABYTE);
intermediateConfig.addInputToGroup(0);
intermediateConfig.addInputToGroup(1);
intermediateConfig.setInputSerializer(vertexWithRankAndDanglingSerializer, 0);
intermediateConfig.setInputSerializer(vertexWithAdjacencyListSerializer, 1);
intermediateConfig.setDriverComparator(vertexWithRankAndDanglingComparator, 0);
intermediateConfig.setDriverComparator(vertexWithAdjacencyListComparator, 1);
intermediateConfig.setDriverPairComparator(matchComparator);
intermediateConfig.setOutputSerializer(vertexWithRankSerializer);
intermediateConfig.addOutputShipStrategy(ShipStrategyType.PARTITION_HASH);
intermediateConfig.setOutputComparator(vertexWithRankComparator, 0);
intermediateConfig.setStubWrapper(new UserCodeClassWrapper<CustomCompensatableDotProductMatch>(CustomCompensatableDotProductMatch.class));
intermediateConfig.setStubParameter("pageRank.numVertices", String.valueOf(numVertices));
intermediateConfig.setStubParameter("compensation.failingWorker", failingWorkers);
intermediateConfig.setStubParameter("compensation.failingIteration", String.valueOf(failingIteration));
intermediateConfig.setStubParameter("compensation.messageLoss", String.valueOf(messageLoss));
// ---------------- the tail (co group) --------------------
JobTaskVertex tail = JobGraphUtils.createTask(IterationTailPactTask.class, "IterationTail", jobGraph,
degreeOfParallelism, numSubTasksPerInstance);
TaskConfig tailConfig = new TaskConfig(tail.getConfiguration());
tailConfig.setIterationId(ITERATION_ID);
tailConfig.setIsWorksetUpdate();
// TODO we need to combine!
// inputs and driver
tailConfig.setDriver(CoGroupDriver.class);
tailConfig.setDriverStrategy(DriverStrategy.CO_GROUP);
tailConfig.addInputToGroup(0);
tailConfig.addInputToGroup(1);
tailConfig.setInputSerializer(vertexWithRankAndDanglingSerializer, 0);
tailConfig.setInputSerializer(vertexWithRankSerializer, 1);
tailConfig.setDriverComparator(vertexWithRankAndDanglingComparator, 0);
tailConfig.setDriverComparator(vertexWithRankComparator, 1);
tailConfig.setDriverPairComparator(coGroupComparator);
tailConfig.setInputAsynchronouslyMaterialized(0, true);
tailConfig.setInputMaterializationMemory(0, minorConsumer * JobGraphUtils.MEGABYTE);
tailConfig.setInputLocalStrategy(1, LocalStrategy.SORT);
tailConfig.setInputComparator(vertexWithRankComparator, 1);
tailConfig.setMemoryInput(1, coGroupSortMemory * JobGraphUtils.MEGABYTE);
tailConfig.setFilehandlesInput(1, NUM_FILE_HANDLES_PER_SORT);
tailConfig.setSpillingThresholdInput(1, SORT_SPILL_THRESHOLD);
// output
tailConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
tailConfig.setOutputSerializer(vertexWithRankAndDanglingSerializer);
// the stub
tailConfig.setStubWrapper(new UserCodeClassWrapper<CustomCompensatableDotProductCoGroup>(CustomCompensatableDotProductCoGroup.class));
tailConfig.setStubParameter("pageRank.numVertices", String.valueOf(numVertices));
tailConfig.setStubParameter("pageRank.numDanglingVertices", String.valueOf(numDanglingVertices));
tailConfig.setStubParameter("compensation.failingWorker", failingWorkers);
tailConfig.setStubParameter("compensation.failingIteration", String.valueOf(failingIteration));
tailConfig.setStubParameter("compensation.messageLoss", String.valueOf(messageLoss));
// --------------- the output ---------------------
JobOutputVertex output = JobGraphUtils.createFileOutput(jobGraph, "FinalOutput", degreeOfParallelism,
numSubTasksPerInstance);
TaskConfig outputConfig = new TaskConfig(output.getConfiguration());
outputConfig.addInputToGroup(0);
outputConfig.setInputSerializer(vertexWithRankAndDanglingSerializer, 0);
outputConfig.setStubWrapper(new UserCodeClassWrapper<CustomPageWithRankOutFormat>(CustomPageWithRankOutFormat.class));
outputConfig.setStubParameter(FileOutputFormat.FILE_PARAMETER_KEY, outputPath);
// --------------- the auxiliaries ---------------------
JobOutputVertex fakeTailOutput = JobGraphUtils.createFakeOutput(jobGraph, "FakeTailOutput",
degreeOfParallelism, numSubTasksPerInstance);
JobOutputVertex sync = JobGraphUtils.createSync(jobGraph, degreeOfParallelism);
TaskConfig syncConfig = new TaskConfig(sync.getConfiguration());
syncConfig.setNumberOfIterations(numIterations);
syncConfig.addIterationAggregator(CustomCompensatableDotProductCoGroup.AGGREGATOR_NAME, PageRankStatsAggregator.class);
syncConfig.setConvergenceCriterion(CustomCompensatableDotProductCoGroup.AGGREGATOR_NAME, DiffL1NormConvergenceCriterion.class);
syncConfig.setIterationId(ITERATION_ID);
// --------------- the wiring ---------------------
JobGraphUtils.connect(pageWithRankInput, head, ChannelType.NETWORK, DistributionPattern.BIPARTITE);
JobGraphUtils.connect(head, intermediate, ChannelType.IN_MEMORY, DistributionPattern.POINTWISE);
intermediateConfig.setGateIterativeWithNumberOfEventsUntilInterrupt(0, 1);
JobGraphUtils.connect(adjacencyListInput, intermediate, ChannelType.NETWORK, DistributionPattern.BIPARTITE);
JobGraphUtils.connect(head, tail, ChannelType.NETWORK, DistributionPattern.POINTWISE);
JobGraphUtils.connect(intermediate, tail, ChannelType.NETWORK, DistributionPattern.BIPARTITE);
tailConfig.setGateIterativeWithNumberOfEventsUntilInterrupt(0, 1);
tailConfig.setGateIterativeWithNumberOfEventsUntilInterrupt(1, degreeOfParallelism);
JobGraphUtils.connect(head, output, ChannelType.IN_MEMORY, DistributionPattern.POINTWISE);
JobGraphUtils.connect(tail, fakeTailOutput, ChannelType.IN_MEMORY, DistributionPattern.POINTWISE);
JobGraphUtils.connect(head, sync, ChannelType.NETWORK, DistributionPattern.POINTWISE);
fakeTailOutput.setVertexToShareInstancesWith(tail);
tail.setVertexToShareInstancesWith(head);
pageWithRankInput.setVertexToShareInstancesWith(head);
adjacencyListInput.setVertexToShareInstancesWith(head);
intermediate.setVertexToShareInstancesWith(head);
output.setVertexToShareInstancesWith(head);
sync.setVertexToShareInstancesWith(head);
return jobGraph;
}
}