@SuppressWarnings("unchecked")
@Before
public void beforeTest() {
this.serializer1 = RecordSerializerFactory.get();
this.serializer2 = RecordSerializerFactory.get();
this.comparator1 = new RecordComparator(new int[] {0}, new Class[] {TestData.Key.class});
this.comparator2 = new RecordComparator(new int[] {0}, new Class[] {TestData.Key.class});
this.pairComparator11 =
new RecordPairComparator(new int[] {0}, new int[] {0}, new Class[] {TestData.Key.class});
this.memoryManager = new DefaultMemoryManager(MEMORY_SIZE, PAGE_SIZE);
this.ioManager = new IOManagerAsync();
}
public void addInputSorted(MutableObjectIterator<Record> input, RecordComparator comp)
throws Exception {
UnilateralSortMerger<Record> sorter =
new UnilateralSortMerger<Record>(
this.memManager,
this.ioManager,
input,
this.owner,
RecordSerializerFactory.get(),
comp,
this.perSortFractionMem,
32,
0.8f);
this.sorters.add(sorter);
this.inputs.add(null);
}
@Override
public <X> TypeSerializerFactory<X> getInputSerializer(int index) {
@SuppressWarnings("unchecked")
TypeSerializerFactory<X> factory = (TypeSerializerFactory<X>) RecordSerializerFactory.get();
return factory;
}
public class CompensatableDanglingPageRank {
private static final TypeSerializerFactory<?> recSerializer = RecordSerializerFactory.get();
@SuppressWarnings("unchecked")
private static final TypeComparatorFactory<?> fieldZeroComparator =
new RecordComparatorFactory(
new int[] {0}, new Class[] {LongValue.class}, new boolean[] {true});
private static final TypePairComparatorFactory<?, ?> pairComparatorFactory =
new RecordPairComparatorFactory();
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;
// 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 parallelism = 2;
String pageWithRankInputPath =
""; // "file://" + PlayConstants.PLAY_DIR + "test-inputs/danglingpagerank/pageWithRank";
String adjacencyListInputPath = ""; // "file://" + PlayConstants.PLAY_DIR +
// "test-inputs/danglingpagerank/adjacencylists";
String outputPath =
OperatingSystem.isWindows()
? "file:/c:/tmp/flink/iterations"
: "file:///tmp/flink/iterations";
// String confPath = PlayConstants.PLAY_DIR + "local-conf";
int minorConsumer = 25;
int matchMemory = 50;
int coGroupSortMemory = 50;
int numIterations = 25;
long numVertices = 5;
long numDanglingVertices = 1;
String failingWorkers = "1";
int failingIteration = 2;
double messageLoss = 0.75;
if (args.length >= 15) {
parallelism = Integer.parseInt(args[0]);
pageWithRankInputPath = args[1];
adjacencyListInputPath = args[2];
outputPath = args[3];
// confPath = args[4];
minorConsumer = Integer.parseInt(args[5]);
matchMemory = Integer.parseInt(args[6]);
coGroupSortMemory = Integer.parseInt(args[7]);
numIterations = Integer.parseInt(args[8]);
numVertices = Long.parseLong(args[9]);
numDanglingVertices = Long.parseLong(args[10]);
failingWorkers = args[11];
failingIteration = Integer.parseInt(args[12]);
messageLoss = Double.parseDouble(args[13]);
}
int totalMemoryConsumption = 3 * minorConsumer + matchMemory + coGroupSortMemory;
JobGraph jobGraph = new JobGraph("CompensatableDanglingPageRank");
// --------------- the inputs ---------------------
// page rank input
InputFormatVertex pageWithRankInput =
JobGraphUtils.createInput(
new ImprovedDanglingPageRankInputFormat(),
pageWithRankInputPath,
"DanglingPageWithRankInput",
jobGraph,
parallelism);
TaskConfig pageWithRankInputConfig = new TaskConfig(pageWithRankInput.getConfiguration());
pageWithRankInputConfig.addOutputShipStrategy(ShipStrategyType.PARTITION_HASH);
pageWithRankInputConfig.setOutputComparator(fieldZeroComparator, 0);
pageWithRankInputConfig.setOutputSerializer(recSerializer);
pageWithRankInputConfig.setStubParameter("pageRank.numVertices", String.valueOf(numVertices));
// edges as adjacency list
InputFormatVertex adjacencyListInput =
JobGraphUtils.createInput(
new ImprovedAdjacencyListInputFormat(),
adjacencyListInputPath,
"AdjancencyListInput",
jobGraph,
parallelism);
TaskConfig adjacencyListInputConfig = new TaskConfig(adjacencyListInput.getConfiguration());
adjacencyListInputConfig.addOutputShipStrategy(ShipStrategyType.PARTITION_HASH);
adjacencyListInputConfig.setOutputSerializer(recSerializer);
adjacencyListInputConfig.setOutputComparator(fieldZeroComparator, 0);
// --------------- the head ---------------------
JobVertex head =
JobGraphUtils.createTask(
IterationHeadPactTask.class, "IterationHead", jobGraph, parallelism);
TaskConfig headConfig = new TaskConfig(head.getConfiguration());
headConfig.setIterationId(ITERATION_ID);
// initial input / partial solution
headConfig.addInputToGroup(0);
headConfig.setIterationHeadPartialSolutionOrWorksetInputIndex(0);
headConfig.setInputSerializer(recSerializer, 0);
headConfig.setInputComparator(fieldZeroComparator, 0);
headConfig.setInputLocalStrategy(0, LocalStrategy.SORT);
headConfig.setRelativeMemoryInput(0, (double) minorConsumer / totalMemoryConsumption);
headConfig.setFilehandlesInput(0, NUM_FILE_HANDLES_PER_SORT);
headConfig.setSpillingThresholdInput(0, SORT_SPILL_THRESHOLD);
// back channel / iterations
headConfig.setRelativeBackChannelMemory((double) minorConsumer / totalMemoryConsumption);
// output into iteration
headConfig.setOutputSerializer(recSerializer);
headConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
headConfig.addOutputShipStrategy(ShipStrategyType.FORWARD);
// final output
TaskConfig headFinalOutConfig = new TaskConfig(new Configuration());
headFinalOutConfig.setOutputSerializer(recSerializer);
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<CompensatingMap>(CompensatingMap.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(
CompensatableDotProductCoGroup.AGGREGATOR_NAME, new PageRankStatsAggregator());
// --------------- the join ---------------------
JobVertex intermediate =
JobGraphUtils.createTask(
IterationIntermediatePactTask.class, "IterationIntermediate", jobGraph, parallelism);
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.setRelativeMemoryDriver((double) matchMemory / totalMemoryConsumption);
intermediateConfig.addInputToGroup(0);
intermediateConfig.addInputToGroup(1);
intermediateConfig.setInputSerializer(recSerializer, 0);
intermediateConfig.setInputSerializer(recSerializer, 1);
intermediateConfig.setDriverComparator(fieldZeroComparator, 0);
intermediateConfig.setDriverComparator(fieldZeroComparator, 1);
intermediateConfig.setDriverPairComparator(pairComparatorFactory);
intermediateConfig.setOutputSerializer(recSerializer);
intermediateConfig.addOutputShipStrategy(ShipStrategyType.PARTITION_HASH);
intermediateConfig.setOutputComparator(fieldZeroComparator, 0);
intermediateConfig.setStubWrapper(
new UserCodeClassWrapper<CompensatableDotProductMatch>(CompensatableDotProductMatch.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) --------------------
JobVertex tail =
JobGraphUtils.createTask(
IterationTailPactTask.class, "IterationTail", jobGraph, parallelism);
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(recSerializer, 0);
tailConfig.setInputSerializer(recSerializer, 1);
tailConfig.setDriverComparator(fieldZeroComparator, 0);
tailConfig.setDriverComparator(fieldZeroComparator, 1);
tailConfig.setDriverPairComparator(pairComparatorFactory);
tailConfig.setInputAsynchronouslyMaterialized(0, true);
tailConfig.setRelativeInputMaterializationMemory(
0, (double) minorConsumer / totalMemoryConsumption);
tailConfig.setInputLocalStrategy(1, LocalStrategy.SORT);
tailConfig.setInputComparator(fieldZeroComparator, 1);
tailConfig.setRelativeMemoryInput(1, (double) coGroupSortMemory / totalMemoryConsumption);
tailConfig.setFilehandlesInput(1, NUM_FILE_HANDLES_PER_SORT);
tailConfig.setSpillingThresholdInput(1, SORT_SPILL_THRESHOLD);
// output
tailConfig.setOutputSerializer(recSerializer);
// the stub
tailConfig.setStubWrapper(
new UserCodeClassWrapper<CompensatableDotProductCoGroup>(
CompensatableDotProductCoGroup.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 ---------------------
OutputFormatVertex output =
JobGraphUtils.createFileOutput(jobGraph, "FinalOutput", parallelism);
TaskConfig outputConfig = new TaskConfig(output.getConfiguration());
outputConfig.addInputToGroup(0);
outputConfig.setInputSerializer(recSerializer, 0);
outputConfig.setStubWrapper(
new UserCodeClassWrapper<PageWithRankOutFormat>(PageWithRankOutFormat.class));
outputConfig.setStubParameter(FileOutputFormat.FILE_PARAMETER_KEY, outputPath);
// --------------- the auxiliaries ---------------------
JobVertex sync = JobGraphUtils.createSync(jobGraph, parallelism);
TaskConfig syncConfig = new TaskConfig(sync.getConfiguration());
syncConfig.setNumberOfIterations(numIterations);
syncConfig.addIterationAggregator(
CompensatableDotProductCoGroup.AGGREGATOR_NAME, new PageRankStatsAggregator());
syncConfig.setConvergenceCriterion(
CompensatableDotProductCoGroup.AGGREGATOR_NAME, new DiffL1NormConvergenceCriterion());
syncConfig.setIterationId(ITERATION_ID);
// --------------- the wiring ---------------------
JobGraphUtils.connect(pageWithRankInput, head, DistributionPattern.ALL_TO_ALL);
JobGraphUtils.connect(head, intermediate, DistributionPattern.POINTWISE);
intermediateConfig.setGateIterativeWithNumberOfEventsUntilInterrupt(0, 1);
JobGraphUtils.connect(adjacencyListInput, intermediate, DistributionPattern.ALL_TO_ALL);
JobGraphUtils.connect(head, tail, DistributionPattern.POINTWISE);
JobGraphUtils.connect(intermediate, tail, DistributionPattern.ALL_TO_ALL);
tailConfig.setGateIterativeWithNumberOfEventsUntilInterrupt(0, 1);
tailConfig.setGateIterativeWithNumberOfEventsUntilInterrupt(1, parallelism);
JobGraphUtils.connect(head, output, DistributionPattern.POINTWISE);
JobGraphUtils.connect(head, sync, DistributionPattern.POINTWISE);
SlotSharingGroup sharingGroup = new SlotSharingGroup();
pageWithRankInput.setSlotSharingGroup(sharingGroup);
adjacencyListInput.setSlotSharingGroup(sharingGroup);
head.setSlotSharingGroup(sharingGroup);
intermediate.setSlotSharingGroup(sharingGroup);
tail.setSlotSharingGroup(sharingGroup);
output.setSlotSharingGroup(sharingGroup);
sync.setSlotSharingGroup(sharingGroup);
tail.setStrictlyCoLocatedWith(head);
intermediate.setStrictlyCoLocatedWith(head);
return jobGraph;
}
}
