Java Code Examples for org.apache.flink.runtime.operators.DriverStrategy#SORTED_GROUP_COMBINE

The following examples show how to use org.apache.flink.runtime.operators.DriverStrategy#SORTED_GROUP_COMBINE . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: GroupCombineProperties.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	node.setParallelism(in.getSource().getParallelism());
	
	// sorting key info
	SingleInputPlanNode singleInputPlanNode = new SingleInputPlanNode(
			node, 
			"GroupCombine (" + node.getOperator().getName() + ")",
			in, // reuse the combine strategy also used in the group reduce
			DriverStrategy.SORTED_GROUP_COMBINE, this.keyList);

	// set sorting comparator key info
	singleInputPlanNode.setDriverKeyInfo(this.ordering.getInvolvedIndexes(), this.ordering.getFieldSortDirections(), 0);
	// set grouping comparator key info
	singleInputPlanNode.setDriverKeyInfo(this.keyList, 1);
	
	return singleInputPlanNode;
}
Example 2
Source File: GroupCombineProperties.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	node.setParallelism(in.getSource().getParallelism());
	
	// sorting key info
	SingleInputPlanNode singleInputPlanNode = new SingleInputPlanNode(
			node, 
			"GroupCombine (" + node.getOperator().getName() + ")",
			in, // reuse the combine strategy also used in the group reduce
			DriverStrategy.SORTED_GROUP_COMBINE, this.keyList);

	// set sorting comparator key info
	singleInputPlanNode.setDriverKeyInfo(this.ordering.getInvolvedIndexes(), this.ordering.getFieldSortDirections(), 0);
	// set grouping comparator key info
	singleInputPlanNode.setDriverKeyInfo(this.keyList, 1);
	
	return singleInputPlanNode;
}
Example 3
Source File: GroupCombineProperties.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	node.setParallelism(in.getSource().getParallelism());
	
	// sorting key info
	SingleInputPlanNode singleInputPlanNode = new SingleInputPlanNode(
			node, 
			"GroupCombine (" + node.getOperator().getName() + ")",
			in, // reuse the combine strategy also used in the group reduce
			DriverStrategy.SORTED_GROUP_COMBINE, this.keyList);

	// set sorting comparator key info
	singleInputPlanNode.setDriverKeyInfo(this.ordering.getInvolvedIndexes(), this.ordering.getFieldSortDirections(), 0);
	// set grouping comparator key info
	singleInputPlanNode.setDriverKeyInfo(this.keyList, 1);
	
	return singleInputPlanNode;
}
Example 4
Source File: PartialGroupProperties.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	// create in input node for combine with the same parallelism as input node
	GroupReduceNode combinerNode = new GroupReduceNode((GroupReduceOperatorBase<?, ?, ?>) node.getOperator());
	combinerNode.setParallelism(in.getSource().getParallelism());

	SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getOperator().getName()+")", in,
			DriverStrategy.SORTED_GROUP_COMBINE);
	// sorting key info
	combiner.setDriverKeyInfo(in.getLocalStrategyKeys(), in.getLocalStrategySortOrder(), 0);
	// set grouping comparator key info
	combiner.setDriverKeyInfo(this.keyList, 1);
	
	return combiner;
}
Example 5
Source File: PartialGroupProperties.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	// create in input node for combine with the same parallelism as input node
	GroupReduceNode combinerNode = new GroupReduceNode((GroupReduceOperatorBase<?, ?, ?>) node.getOperator());
	combinerNode.setParallelism(in.getSource().getParallelism());

	SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getOperator().getName()+")", in,
			DriverStrategy.SORTED_GROUP_COMBINE);
	// sorting key info
	combiner.setDriverKeyInfo(in.getLocalStrategyKeys(), in.getLocalStrategySortOrder(), 0);
	// set grouping comparator key info
	combiner.setDriverKeyInfo(this.keyList, 1);
	
	return combiner;
}
Example 6
Source File: PartialGroupProperties.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	// create in input node for combine with the same parallelism as input node
	GroupReduceNode combinerNode = new GroupReduceNode((GroupReduceOperatorBase<?, ?, ?>) node.getOperator());
	combinerNode.setParallelism(in.getSource().getParallelism());

	SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getOperator().getName()+")", in,
			DriverStrategy.SORTED_GROUP_COMBINE);
	// sorting key info
	combiner.setDriverKeyInfo(in.getLocalStrategyKeys(), in.getLocalStrategySortOrder(), 0);
	// set grouping comparator key info
	combiner.setDriverKeyInfo(this.keyList, 1);
	
	return combiner;
}
Example 7
Source File: GroupReduceWithCombineProperties.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
		if(in.getSource().getOptimizerNode() instanceof PartitionNode) {
			LOG.warn("Cannot automatically inject combiner for GroupReduceFunction. Please add an explicit combiner with combineGroup() in front of the partition operator.");
		}
		// adjust a sort (changes grouping, so it must be for this driver to combining sort
		if (in.getLocalStrategy() == LocalStrategy.SORT) {
			if (!in.getLocalStrategyKeys().isValidUnorderedPrefix(this.keys)) {
				throw new RuntimeException("Bug: Inconsistent sort for group strategy.");
			}
			in.setLocalStrategy(LocalStrategy.COMBININGSORT, in.getLocalStrategyKeys(),
								in.getLocalStrategySortOrder());
		}
		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")", in,
										DriverStrategy.SORTED_GROUP_REDUCE, this.keyList);
	} else {
		// non forward case. all local properties are killed anyways, so we can safely plug in a combiner
		Channel toCombiner = new Channel(in.getSource());
		toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);

		// create an input node for combine with same parallelism as input node
		GroupReduceNode combinerNode = ((GroupReduceNode) node).getCombinerUtilityNode();
		combinerNode.setParallelism(in.getSource().getParallelism());

		SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getOperator()
				.getName()+")", toCombiner, DriverStrategy.SORTED_GROUP_COMBINE);
		combiner.setCosts(new Costs(0, 0));
		combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
		// set sorting comparator key info
		combiner.setDriverKeyInfo(in.getLocalStrategyKeys(), in.getLocalStrategySortOrder(), 0);
		// set grouping comparator key info
		combiner.setDriverKeyInfo(this.keyList, 1);
		
		Channel toReducer = new Channel(combiner);
		toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
								in.getShipStrategySortOrder(), in.getDataExchangeMode());
		if (in.getShipStrategy() == ShipStrategyType.PARTITION_RANGE) {
			toReducer.setDataDistribution(in.getDataDistribution());
		}
		toReducer.setLocalStrategy(LocalStrategy.COMBININGSORT, in.getLocalStrategyKeys(),
									in.getLocalStrategySortOrder());

		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										toReducer, DriverStrategy.SORTED_GROUP_REDUCE, this.keyList);
	}
}
Example 8
Source File: GroupCombineProperties.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
@Override
public DriverStrategy getStrategy() {
	return DriverStrategy.SORTED_GROUP_COMBINE;
}
Example 9
Source File: PartialGroupProperties.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
@Override
public DriverStrategy getStrategy() {
	return DriverStrategy.SORTED_GROUP_COMBINE;
}
Example 10
Source File: GroupReduceWithCombineProperties.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
		if(in.getSource().getOptimizerNode() instanceof PartitionNode) {
			LOG.warn("Cannot automatically inject combiner for GroupReduceFunction. Please add an explicit combiner with combineGroup() in front of the partition operator.");
		}
		// adjust a sort (changes grouping, so it must be for this driver to combining sort
		if (in.getLocalStrategy() == LocalStrategy.SORT) {
			if (!in.getLocalStrategyKeys().isValidUnorderedPrefix(this.keys)) {
				throw new RuntimeException("Bug: Inconsistent sort for group strategy.");
			}
			in.setLocalStrategy(LocalStrategy.COMBININGSORT, in.getLocalStrategyKeys(),
								in.getLocalStrategySortOrder());
		}
		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")", in,
										DriverStrategy.SORTED_GROUP_REDUCE, this.keyList);
	} else {
		// non forward case. all local properties are killed anyways, so we can safely plug in a combiner
		Channel toCombiner = new Channel(in.getSource());
		toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);

		// create an input node for combine with same parallelism as input node
		GroupReduceNode combinerNode = ((GroupReduceNode) node).getCombinerUtilityNode();
		combinerNode.setParallelism(in.getSource().getParallelism());

		SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getOperator()
				.getName()+")", toCombiner, DriverStrategy.SORTED_GROUP_COMBINE);
		combiner.setCosts(new Costs(0, 0));
		combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
		// set sorting comparator key info
		combiner.setDriverKeyInfo(in.getLocalStrategyKeys(), in.getLocalStrategySortOrder(), 0);
		// set grouping comparator key info
		combiner.setDriverKeyInfo(this.keyList, 1);
		
		Channel toReducer = new Channel(combiner);
		toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
								in.getShipStrategySortOrder(), in.getDataExchangeMode());
		if (in.getShipStrategy() == ShipStrategyType.PARTITION_RANGE) {
			toReducer.setDataDistribution(in.getDataDistribution());
		}
		toReducer.setLocalStrategy(LocalStrategy.COMBININGSORT, in.getLocalStrategyKeys(),
									in.getLocalStrategySortOrder());

		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										toReducer, DriverStrategy.SORTED_GROUP_REDUCE, this.keyList);
	}
}
Example 11
Source File: GroupCombineProperties.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Override
public DriverStrategy getStrategy() {
	return DriverStrategy.SORTED_GROUP_COMBINE;
}
Example 12
Source File: PartialGroupProperties.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Override
public DriverStrategy getStrategy() {
	return DriverStrategy.SORTED_GROUP_COMBINE;
}
Example 13
Source File: GroupReduceWithCombineProperties.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
		if(in.getSource().getOptimizerNode() instanceof PartitionNode) {
			LOG.warn("Cannot automatically inject combiner for GroupReduceFunction. Please add an explicit combiner with combineGroup() in front of the partition operator.");
		}
		// adjust a sort (changes grouping, so it must be for this driver to combining sort
		if (in.getLocalStrategy() == LocalStrategy.SORT) {
			if (!in.getLocalStrategyKeys().isValidUnorderedPrefix(this.keys)) {
				throw new RuntimeException("Bug: Inconsistent sort for group strategy.");
			}
			in.setLocalStrategy(LocalStrategy.COMBININGSORT, in.getLocalStrategyKeys(),
								in.getLocalStrategySortOrder());
		}
		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")", in,
										DriverStrategy.SORTED_GROUP_REDUCE, this.keyList);
	} else {
		// non forward case. all local properties are killed anyways, so we can safely plug in a combiner
		Channel toCombiner = new Channel(in.getSource());
		toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);

		// create an input node for combine with same parallelism as input node
		GroupReduceNode combinerNode = ((GroupReduceNode) node).getCombinerUtilityNode();
		combinerNode.setParallelism(in.getSource().getParallelism());

		SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getOperator()
				.getName()+")", toCombiner, DriverStrategy.SORTED_GROUP_COMBINE);
		combiner.setCosts(new Costs(0, 0));
		combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
		// set sorting comparator key info
		combiner.setDriverKeyInfo(in.getLocalStrategyKeys(), in.getLocalStrategySortOrder(), 0);
		// set grouping comparator key info
		combiner.setDriverKeyInfo(this.keyList, 1);
		
		Channel toReducer = new Channel(combiner);
		toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
								in.getShipStrategySortOrder(), in.getDataExchangeMode());
		if (in.getShipStrategy() == ShipStrategyType.PARTITION_RANGE) {
			toReducer.setDataDistribution(in.getDataDistribution());
		}
		toReducer.setLocalStrategy(LocalStrategy.COMBININGSORT, in.getLocalStrategyKeys(),
									in.getLocalStrategySortOrder());

		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										toReducer, DriverStrategy.SORTED_GROUP_REDUCE, this.keyList);
	}
}
Example 14
Source File: GroupCombineProperties.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Override
public DriverStrategy getStrategy() {
	return DriverStrategy.SORTED_GROUP_COMBINE;
}
Example 15
Source File: PartialGroupProperties.java    From flink with Apache License 2.0 4 votes vote down vote up 
@Override
public DriverStrategy getStrategy() {
	return DriverStrategy.SORTED_GROUP_COMBINE;
}