Examples with ExchangeOperator org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator used on opensource projects

Example 1 with ExchangeOperator

use of org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator in project asterixdb by apache.

the class RequiredCapacityVisitorTest method testParallelGroupBy.

@Test
public void testParallelGroupBy() throws AlgebricksException {
    IClusterCapacity clusterCapacity = new ClusterCapacity();
    RequiredCapacityVisitor visitor = makeComputationCapacityVisitor(PARALLELISM, clusterCapacity);
    // Constructs a parallel group-by query plan.
    GroupByOperator globalGby = makeGroupByOperator(AbstractLogicalOperator.ExecutionMode.PARTITIONED);
    ExchangeOperator exchange = new ExchangeOperator();
    exchange.setPhysicalOperator(new HashPartitionExchangePOperator(Collections.emptyList(), null));
    GroupByOperator localGby = makeGroupByOperator(AbstractLogicalOperator.ExecutionMode.LOCAL);
    globalGby.getInputs().add(new MutableObject<>(exchange));
    exchange.getInputs().add(new MutableObject<>(localGby));
    // Verifies the calculated cluster capacity requirement for the test quer plan.
    globalGby.accept(visitor, null);
    Assert.assertTrue(clusterCapacity.getAggregatedCores() == PARALLELISM);
    Assert.assertTrue(clusterCapacity.getAggregatedMemoryByteSize() == 2 * MEMORY_BUDGET * PARALLELISM + 2 * FRAME_SIZE * PARALLELISM * PARALLELISM);
}

Example 2 with ExchangeOperator

use of org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator in project asterixdb by apache.

the class RequiredCapacityVisitorTest method testParallelJoin.

@Test
public void testParallelJoin() throws AlgebricksException {
    IClusterCapacity clusterCapacity = new ClusterCapacity();
    RequiredCapacityVisitor visitor = makeComputationCapacityVisitor(PARALLELISM, clusterCapacity);
    // Constructs a join query plan.
    InnerJoinOperator join = makeJoinOperator(AbstractLogicalOperator.ExecutionMode.PARTITIONED);
    // Left child plan of the join.
    ExchangeOperator leftChildExchange = new ExchangeOperator();
    leftChildExchange.setExecutionMode(AbstractLogicalOperator.ExecutionMode.PARTITIONED);
    leftChildExchange.setPhysicalOperator(new HashPartitionExchangePOperator(Collections.emptyList(), null));
    InnerJoinOperator leftChild = makeJoinOperator(AbstractLogicalOperator.ExecutionMode.PARTITIONED);
    join.getInputs().add(new MutableObject<>(leftChildExchange));
    leftChildExchange.getInputs().add(new MutableObject<>(leftChild));
    EmptyTupleSourceOperator ets = new EmptyTupleSourceOperator();
    ets.setExecutionMode(AbstractLogicalOperator.ExecutionMode.PARTITIONED);
    leftChild.getInputs().add(new MutableObject<>(ets));
    leftChild.getInputs().add(new MutableObject<>(ets));
    // Right child plan of the join.
    ExchangeOperator rightChildExchange = new ExchangeOperator();
    rightChildExchange.setExecutionMode(AbstractLogicalOperator.ExecutionMode.PARTITIONED);
    rightChildExchange.setPhysicalOperator(new HashPartitionExchangePOperator(Collections.emptyList(), null));
    GroupByOperator rightChild = makeGroupByOperator(AbstractLogicalOperator.ExecutionMode.LOCAL);
    join.getInputs().add(new MutableObject<>(rightChildExchange));
    rightChildExchange.getInputs().add(new MutableObject<>(rightChild));
    rightChild.getInputs().add(new MutableObject<>(ets));
    // Verifies the calculated cluster capacity requirement for the test quer plan.
    join.accept(visitor, null);
    Assert.assertTrue(clusterCapacity.getAggregatedCores() == PARALLELISM);
    Assert.assertTrue(clusterCapacity.getAggregatedMemoryByteSize() == 3 * MEMORY_BUDGET * PARALLELISM + 2 * 2L * PARALLELISM * PARALLELISM * FRAME_SIZE + 3 * FRAME_SIZE * PARALLELISM);
}

Example 3 with ExchangeOperator

use of org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator in project asterixdb by apache.

the class RequiredCapacityVisitorTest method testUnPartitionedJoin.

@Test
public void testUnPartitionedJoin() throws AlgebricksException {
    IClusterCapacity clusterCapacity = new ClusterCapacity();
    RequiredCapacityVisitor visitor = makeComputationCapacityVisitor(PARALLELISM, clusterCapacity);
    // Constructs a join query plan.
    InnerJoinOperator join = makeJoinOperator(AbstractLogicalOperator.ExecutionMode.UNPARTITIONED);
    // Left child plan of the join.
    ExchangeOperator leftChildExchange = new ExchangeOperator();
    leftChildExchange.setExecutionMode(AbstractLogicalOperator.ExecutionMode.UNPARTITIONED);
    leftChildExchange.setPhysicalOperator(new OneToOneExchangePOperator());
    InnerJoinOperator leftChild = makeJoinOperator(AbstractLogicalOperator.ExecutionMode.UNPARTITIONED);
    join.getInputs().add(new MutableObject<>(leftChildExchange));
    leftChildExchange.getInputs().add(new MutableObject<>(leftChild));
    EmptyTupleSourceOperator ets = new EmptyTupleSourceOperator();
    ets.setExecutionMode(AbstractLogicalOperator.ExecutionMode.UNPARTITIONED);
    leftChild.getInputs().add(new MutableObject<>(ets));
    leftChild.getInputs().add(new MutableObject<>(ets));
    // Right child plan of the join.
    ExchangeOperator rightChildExchange = new ExchangeOperator();
    rightChildExchange.setExecutionMode(AbstractLogicalOperator.ExecutionMode.UNPARTITIONED);
    rightChildExchange.setPhysicalOperator(new OneToOneExchangePOperator());
    GroupByOperator rightChild = makeGroupByOperator(AbstractLogicalOperator.ExecutionMode.UNPARTITIONED);
    join.getInputs().add(new MutableObject<>(rightChildExchange));
    rightChildExchange.getInputs().add(new MutableObject<>(rightChild));
    rightChild.getInputs().add(new MutableObject<>(ets));
    // Verifies the calculated cluster capacity requirement for the test quer plan.
    join.accept(visitor, null);
    Assert.assertTrue(clusterCapacity.getAggregatedCores() == 1);
    Assert.assertTrue(clusterCapacity.getAggregatedMemoryByteSize() == 3 * MEMORY_BUDGET + 5L * FRAME_SIZE);
}

Example 4 with ExchangeOperator

use of org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator in project asterixdb by apache.

the class LogicalOperatorDeepCopyWithNewVariablesVisitor method visitExchangeOperator.

@Override
public ILogicalOperator visitExchangeOperator(ExchangeOperator op, ILogicalOperator arg) throws AlgebricksException {
    ExchangeOperator opCopy = new ExchangeOperator();
    deepCopyInputsAnnotationsAndExecutionMode(op, arg, opCopy);
    return opCopy;
}

Example 5 with ExchangeOperator

use of org.apache.hyracks.algebricks.core.algebra.operators.logical.ExchangeOperator in project asterixdb by apache.

the class IntroduceRandomPartitioningFeedComputationRule method rewritePre.

@Override
public boolean rewritePre(Mutable<ILogicalOperator> opRef, IOptimizationContext context) throws AlgebricksException {
    ILogicalOperator op = opRef.getValue();
    if (!op.getOperatorTag().equals(LogicalOperatorTag.ASSIGN)) {
        return false;
    }
    ILogicalOperator opChild = op.getInputs().get(0).getValue();
    if (!opChild.getOperatorTag().equals(LogicalOperatorTag.DATASOURCESCAN)) {
        return false;
    }
    DataSourceScanOperator scanOp = (DataSourceScanOperator) opChild;
    DataSource dataSource = (DataSource) scanOp.getDataSource();
    if (dataSource.getDatasourceType() != DataSource.Type.FEED) {
        return false;
    }
    final FeedDataSource feedDataSource = (FeedDataSource) dataSource;
    FeedConnection feedConnection = feedDataSource.getFeedConnection();
    if (feedConnection.getAppliedFunctions() == null || feedConnection.getAppliedFunctions().size() == 0) {
        return false;
    }
    ExchangeOperator exchangeOp = new ExchangeOperator();
    INodeDomain domain = new INodeDomain() {

        @Override
        public boolean sameAs(INodeDomain domain) {
            return domain == this;
        }

        @Override
        public Integer cardinality() {
            return feedDataSource.getComputeCardinality();
        }
    };
    exchangeOp.setPhysicalOperator(new RandomPartitionExchangePOperator(domain));
    op.getInputs().get(0).setValue(exchangeOp);
    exchangeOp.getInputs().add(new MutableObject<ILogicalOperator>(scanOp));
    ExecutionMode em = ((AbstractLogicalOperator) scanOp).getExecutionMode();
    exchangeOp.setExecutionMode(em);
    exchangeOp.computeDeliveredPhysicalProperties(context);
    context.computeAndSetTypeEnvironmentForOperator(exchangeOp);
    AssignOperator assignOp = (AssignOperator) opRef.getValue();
    AssignPOperator assignPhyOp = (AssignPOperator) assignOp.getPhysicalOperator();
    assignPhyOp.setCardinalityConstraint(domain.cardinality());
    return true;
}