Java Code Examples for org.apache.flink.optimizer.plan.Channel#setShipStrategy()

The following examples show how to use org.apache.flink.optimizer.plan.Channel#setShipStrategy() . 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: AllGroupWithPartialPreGroupProperties.java From Flink-CEPplus with Apache License 2.0

5 votes

@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
		// locally connected, directly instantiate
		return new SingleInputPlanNode(node, "GroupReduce ("+node.getOperator().getName()+")",
										in, DriverStrategy.ALL_GROUP_REDUCE);
	} else {
		// non forward case.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.ALL_GROUP_REDUCE_COMBINE);
		combiner.setCosts(new Costs(0, 0));
		combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
		
		Channel toReducer = new Channel(combiner);
		toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
									in.getShipStrategySortOrder(), in.getDataExchangeMode());

		toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(), in.getLocalStrategySortOrder());
		return new SingleInputPlanNode(node, "GroupReduce ("+node.getOperator().getName()+")",
										toReducer, DriverStrategy.ALL_GROUP_REDUCE);
	}
}

Example 2

Source File: FeedbackPropertiesMatchTest.java From flink with Apache License 2.0

5 votes

@Test
public void testNoPartialSolutionFoundTwoInputOperator() {
	try {
		SourcePlanNode target = new SourcePlanNode(getSourceNode(), "Partial Solution");

		SourcePlanNode source1 = new SourcePlanNode(getSourceNode(), "Source 1");
		SourcePlanNode source2 = new SourcePlanNode(getSourceNode(), "Source 2");
		
		Channel toMap1 = new Channel(source1);
		toMap1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toMap1.setLocalStrategy(LocalStrategy.NONE);
		SingleInputPlanNode map1 = new SingleInputPlanNode(getMapNode(), "Mapper 1", toMap1, DriverStrategy.MAP);
		
		Channel toMap2 = new Channel(source2);
		toMap2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toMap2.setLocalStrategy(LocalStrategy.NONE);
		SingleInputPlanNode map2 = new SingleInputPlanNode(getMapNode(), "Mapper 2", toMap2, DriverStrategy.MAP);
		
		Channel toJoin1 = new Channel(map1);
		Channel toJoin2 = new Channel(map2);
		
		toJoin1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toJoin1.setLocalStrategy(LocalStrategy.NONE);
		toJoin2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toJoin2.setLocalStrategy(LocalStrategy.NONE);
		
		DualInputPlanNode join = new DualInputPlanNode(getJoinNode(), "Join", toJoin1, toJoin2, DriverStrategy.HYBRIDHASH_BUILD_FIRST);
		
		FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, new GlobalProperties(), new LocalProperties());
		assertEquals(NO_PARTIAL_SOLUTION, report);
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}

Example 3

Source File: FeedbackPropertiesMatchTest.java From flink with Apache License 2.0

5 votes

@Test
public void testNoPartialSolutionFoundSingleInputOnly() {
	try {
		SourcePlanNode target = new SourcePlanNode(getSourceNode(), "Source");
		
		SourcePlanNode otherTarget = new SourcePlanNode(getSourceNode(), "Source");
		
		Channel toMap1 = new Channel(target);
		toMap1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toMap1.setLocalStrategy(LocalStrategy.NONE);
		SingleInputPlanNode map1 = new SingleInputPlanNode(getMapNode(), "Mapper 1", toMap1, DriverStrategy.MAP);
		
		Channel toMap2 = new Channel(map1);
		toMap2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toMap2.setLocalStrategy(LocalStrategy.NONE);
		SingleInputPlanNode map2 = new SingleInputPlanNode(getMapNode(), "Mapper 2", toMap2, DriverStrategy.MAP);
		
		{
			GlobalProperties gp = new GlobalProperties();
			LocalProperties lp = new LocalProperties();
			
			FeedbackPropertiesMeetRequirementsReport report = map2.checkPartialSolutionPropertiesMet(otherTarget, gp, lp);
			assertTrue(report == NO_PARTIAL_SOLUTION);
		}
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}

Example 4

Source File: AllReduceProperties.java From flink with Apache License 2.0

5 votes

@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
		// locally connected, directly instantiate
		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										in, DriverStrategy.ALL_REDUCE);
	} else {
		// non forward case.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
		ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode();
		combinerNode.setParallelism(in.getSource().getParallelism());

		SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode,
				"Combine ("+node.getOperator().getName()+")", toCombiner, DriverStrategy.ALL_REDUCE);
		combiner.setCosts(new Costs(0, 0));
		combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
		
		Channel toReducer = new Channel(combiner);
		toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
									in.getShipStrategySortOrder(), in.getDataExchangeMode());
		toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(),
									in.getLocalStrategySortOrder());

		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										toReducer, DriverStrategy.ALL_REDUCE);
	}
}

Example 5

Source File: AllGroupWithPartialPreGroupProperties.java From flink with Apache License 2.0

5 votes

@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
		// locally connected, directly instantiate
		return new SingleInputPlanNode(node, "GroupReduce ("+node.getOperator().getName()+")",
										in, DriverStrategy.ALL_GROUP_REDUCE);
	} else {
		// non forward case.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.ALL_GROUP_REDUCE_COMBINE);
		combiner.setCosts(new Costs(0, 0));
		combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
		
		Channel toReducer = new Channel(combiner);
		toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
									in.getShipStrategySortOrder(), in.getDataExchangeMode());

		toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(), in.getLocalStrategySortOrder());
		return new SingleInputPlanNode(node, "GroupReduce ("+node.getOperator().getName()+")",
										toReducer, DriverStrategy.ALL_GROUP_REDUCE);
	}
}

Example 6

Source File: FeedbackPropertiesMatchTest.java From flink with Apache License 2.0

5 votes

@Test
public void testNoPartialSolutionFoundTwoInputOperator() {
	try {
		SourcePlanNode target = new SourcePlanNode(getSourceNode(), "Partial Solution");

		SourcePlanNode source1 = new SourcePlanNode(getSourceNode(), "Source 1");
		SourcePlanNode source2 = new SourcePlanNode(getSourceNode(), "Source 2");
		
		Channel toMap1 = new Channel(source1);
		toMap1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toMap1.setLocalStrategy(LocalStrategy.NONE);
		SingleInputPlanNode map1 = new SingleInputPlanNode(getMapNode(), "Mapper 1", toMap1, DriverStrategy.MAP);
		
		Channel toMap2 = new Channel(source2);
		toMap2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toMap2.setLocalStrategy(LocalStrategy.NONE);
		SingleInputPlanNode map2 = new SingleInputPlanNode(getMapNode(), "Mapper 2", toMap2, DriverStrategy.MAP);
		
		Channel toJoin1 = new Channel(map1);
		Channel toJoin2 = new Channel(map2);
		
		toJoin1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toJoin1.setLocalStrategy(LocalStrategy.NONE);
		toJoin2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toJoin2.setLocalStrategy(LocalStrategy.NONE);
		
		DualInputPlanNode join = new DualInputPlanNode(getJoinNode(), "Join", toJoin1, toJoin2, DriverStrategy.HYBRIDHASH_BUILD_FIRST);
		
		FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, new GlobalProperties(), new LocalProperties());
		assertEquals(NO_PARTIAL_SOLUTION, report);
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}

Example 7

Source File: FeedbackPropertiesMatchTest.java From flink with Apache License 2.0

5 votes

@Test
public void testNoPartialSolutionFoundSingleInputOnly() {
	try {
		SourcePlanNode target = new SourcePlanNode(getSourceNode(), "Source");
		
		SourcePlanNode otherTarget = new SourcePlanNode(getSourceNode(), "Source");
		
		Channel toMap1 = new Channel(target);
		toMap1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toMap1.setLocalStrategy(LocalStrategy.NONE);
		SingleInputPlanNode map1 = new SingleInputPlanNode(getMapNode(), "Mapper 1", toMap1, DriverStrategy.MAP);
		
		Channel toMap2 = new Channel(map1);
		toMap2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toMap2.setLocalStrategy(LocalStrategy.NONE);
		SingleInputPlanNode map2 = new SingleInputPlanNode(getMapNode(), "Mapper 2", toMap2, DriverStrategy.MAP);
		
		{
			GlobalProperties gp = new GlobalProperties();
			LocalProperties lp = new LocalProperties();
			
			FeedbackPropertiesMeetRequirementsReport report = map2.checkPartialSolutionPropertiesMet(otherTarget, gp, lp);
			assertTrue(report == NO_PARTIAL_SOLUTION);
		}
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}

Example 8

Source File: AllReduceProperties.java From flink with Apache License 2.0

5 votes

@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
		// locally connected, directly instantiate
		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										in, DriverStrategy.ALL_REDUCE);
	} else {
		// non forward case.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
		ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode();
		combinerNode.setParallelism(in.getSource().getParallelism());

		SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode,
				"Combine ("+node.getOperator().getName()+")", toCombiner, DriverStrategy.ALL_REDUCE);
		combiner.setCosts(new Costs(0, 0));
		combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
		
		Channel toReducer = new Channel(combiner);
		toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
									in.getShipStrategySortOrder(), in.getDataExchangeMode());
		toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(),
									in.getLocalStrategySortOrder());

		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										toReducer, DriverStrategy.ALL_REDUCE);
	}
}

Example 9

Source File: AllGroupWithPartialPreGroupProperties.java From flink with Apache License 2.0

5 votes

@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
		// locally connected, directly instantiate
		return new SingleInputPlanNode(node, "GroupReduce ("+node.getOperator().getName()+")",
										in, DriverStrategy.ALL_GROUP_REDUCE);
	} else {
		// non forward case.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.ALL_GROUP_REDUCE_COMBINE);
		combiner.setCosts(new Costs(0, 0));
		combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
		
		Channel toReducer = new Channel(combiner);
		toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
									in.getShipStrategySortOrder(), in.getDataExchangeMode());

		toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(), in.getLocalStrategySortOrder());
		return new SingleInputPlanNode(node, "GroupReduce ("+node.getOperator().getName()+")",
										toReducer, DriverStrategy.ALL_GROUP_REDUCE);
	}
}

Example 10

Source File: FeedbackPropertiesMatchTest.java From Flink-CEPplus with Apache License 2.0

5 votes

@Test
public void testNoPartialSolutionFoundTwoInputOperator() {
	try {
		SourcePlanNode target = new SourcePlanNode(getSourceNode(), "Partial Solution");

		SourcePlanNode source1 = new SourcePlanNode(getSourceNode(), "Source 1");
		SourcePlanNode source2 = new SourcePlanNode(getSourceNode(), "Source 2");
		
		Channel toMap1 = new Channel(source1);
		toMap1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toMap1.setLocalStrategy(LocalStrategy.NONE);
		SingleInputPlanNode map1 = new SingleInputPlanNode(getMapNode(), "Mapper 1", toMap1, DriverStrategy.MAP);
		
		Channel toMap2 = new Channel(source2);
		toMap2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toMap2.setLocalStrategy(LocalStrategy.NONE);
		SingleInputPlanNode map2 = new SingleInputPlanNode(getMapNode(), "Mapper 2", toMap2, DriverStrategy.MAP);
		
		Channel toJoin1 = new Channel(map1);
		Channel toJoin2 = new Channel(map2);
		
		toJoin1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toJoin1.setLocalStrategy(LocalStrategy.NONE);
		toJoin2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toJoin2.setLocalStrategy(LocalStrategy.NONE);
		
		DualInputPlanNode join = new DualInputPlanNode(getJoinNode(), "Join", toJoin1, toJoin2, DriverStrategy.HYBRIDHASH_BUILD_FIRST);
		
		FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, new GlobalProperties(), new LocalProperties());
		assertEquals(NO_PARTIAL_SOLUTION, report);
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}

Example 11

Source File: FeedbackPropertiesMatchTest.java From Flink-CEPplus with Apache License 2.0

5 votes

@Test
public void testNoPartialSolutionFoundSingleInputOnly() {
	try {
		SourcePlanNode target = new SourcePlanNode(getSourceNode(), "Source");
		
		SourcePlanNode otherTarget = new SourcePlanNode(getSourceNode(), "Source");
		
		Channel toMap1 = new Channel(target);
		toMap1.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toMap1.setLocalStrategy(LocalStrategy.NONE);
		SingleInputPlanNode map1 = new SingleInputPlanNode(getMapNode(), "Mapper 1", toMap1, DriverStrategy.MAP);
		
		Channel toMap2 = new Channel(map1);
		toMap2.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		toMap2.setLocalStrategy(LocalStrategy.NONE);
		SingleInputPlanNode map2 = new SingleInputPlanNode(getMapNode(), "Mapper 2", toMap2, DriverStrategy.MAP);
		
		{
			GlobalProperties gp = new GlobalProperties();
			LocalProperties lp = new LocalProperties();
			
			FeedbackPropertiesMeetRequirementsReport report = map2.checkPartialSolutionPropertiesMet(otherTarget, gp, lp);
			assertTrue(report == NO_PARTIAL_SOLUTION);
		}
	}
	catch (Exception e) {
		e.printStackTrace();
		fail(e.getMessage());
	}
}

Example 12

Source File: AllReduceProperties.java From Flink-CEPplus with Apache License 2.0

5 votes

@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
		// locally connected, directly instantiate
		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										in, DriverStrategy.ALL_REDUCE);
	} else {
		// non forward case.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
		ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode();
		combinerNode.setParallelism(in.getSource().getParallelism());

		SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode,
				"Combine ("+node.getOperator().getName()+")", toCombiner, DriverStrategy.ALL_REDUCE);
		combiner.setCosts(new Costs(0, 0));
		combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
		
		Channel toReducer = new Channel(combiner);
		toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
									in.getShipStrategySortOrder(), in.getDataExchangeMode());
		toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(),
									in.getLocalStrategySortOrder());

		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										toReducer, DriverStrategy.ALL_REDUCE);
	}
}

Example 13

Source File: GlobalProperties.java From flink with Apache License 2.0

4 votes

public void parameterizeChannel(Channel channel, boolean globalDopChange,
								ExecutionMode exchangeMode, boolean breakPipeline) {

	ShipStrategyType shipType;
	FieldList partitionKeys;
	boolean[] sortDirection;
	Partitioner<?> partitioner;

	switch (this.partitioning) {
		case RANDOM_PARTITIONED:
			shipType = globalDopChange ? ShipStrategyType.PARTITION_RANDOM : ShipStrategyType.FORWARD;
			partitionKeys = null;
			sortDirection = null;
			partitioner = null;
			break;

		case FULL_REPLICATION:
			shipType = ShipStrategyType.BROADCAST;
			partitionKeys = null;
			sortDirection = null;
			partitioner = null;
			break;

		case ANY_PARTITIONING:
		case HASH_PARTITIONED:
			shipType = ShipStrategyType.PARTITION_HASH;
			partitionKeys = Utils.createOrderedFromSet(this.partitioningFields);
			sortDirection = null;
			partitioner = null;
			break;

		case RANGE_PARTITIONED:
			shipType = ShipStrategyType.PARTITION_RANGE;
			partitionKeys = this.ordering.getInvolvedIndexes();
			sortDirection = this.ordering.getFieldSortDirections();
			partitioner = null;
			break;

		case FORCED_REBALANCED:
			shipType = ShipStrategyType.PARTITION_RANDOM;
			partitionKeys = null;
			sortDirection = null;
			partitioner = null;
			break;

		case CUSTOM_PARTITIONING:
			shipType = ShipStrategyType.PARTITION_CUSTOM;
			partitionKeys = this.partitioningFields;
			sortDirection = null;
			partitioner = this.customPartitioner;
			break;

		default:
			throw new CompilerException("Unsupported partitioning strategy");
	}

	channel.setDataDistribution(this.distribution);
	DataExchangeMode exMode = DataExchangeMode.select(exchangeMode, shipType, breakPipeline);
	channel.setShipStrategy(shipType, partitionKeys, sortDirection, partitioner, exMode);
}

Example 14

Source File: GroupReduceWithCombineProperties.java From flink with Apache License 2.0

4 votes

@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 15

Source File: GroupReduceWithCombineProperties.java From flink with Apache License 2.0

4 votes

@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 16

Source File: GlobalProperties.java From Flink-CEPplus with Apache License 2.0

4 votes

public void parameterizeChannel(Channel channel, boolean globalDopChange,
								ExecutionMode exchangeMode, boolean breakPipeline) {

	ShipStrategyType shipType;
	FieldList partitionKeys;
	boolean[] sortDirection;
	Partitioner<?> partitioner;

	switch (this.partitioning) {
		case RANDOM_PARTITIONED:
			shipType = globalDopChange ? ShipStrategyType.PARTITION_RANDOM : ShipStrategyType.FORWARD;
			partitionKeys = null;
			sortDirection = null;
			partitioner = null;
			break;

		case FULL_REPLICATION:
			shipType = ShipStrategyType.BROADCAST;
			partitionKeys = null;
			sortDirection = null;
			partitioner = null;
			break;

		case ANY_PARTITIONING:
		case HASH_PARTITIONED:
			shipType = ShipStrategyType.PARTITION_HASH;
			partitionKeys = Utils.createOrderedFromSet(this.partitioningFields);
			sortDirection = null;
			partitioner = null;
			break;

		case RANGE_PARTITIONED:
			shipType = ShipStrategyType.PARTITION_RANGE;
			partitionKeys = this.ordering.getInvolvedIndexes();
			sortDirection = this.ordering.getFieldSortDirections();
			partitioner = null;
			break;

		case FORCED_REBALANCED:
			shipType = ShipStrategyType.PARTITION_RANDOM;
			partitionKeys = null;
			sortDirection = null;
			partitioner = null;
			break;

		case CUSTOM_PARTITIONING:
			shipType = ShipStrategyType.PARTITION_CUSTOM;
			partitionKeys = this.partitioningFields;
			sortDirection = null;
			partitioner = this.customPartitioner;
			break;

		default:
			throw new CompilerException("Unsupported partitioning strategy");
	}

	channel.setDataDistribution(this.distribution);
	DataExchangeMode exMode = DataExchangeMode.select(exchangeMode, shipType, breakPipeline);
	channel.setShipStrategy(shipType, partitionKeys, sortDirection, partitioner, exMode);
}

Example 17

Source File: GlobalProperties.java From flink with Apache License 2.0

4 votes

public void parameterizeChannel(Channel channel, boolean globalDopChange,
								ExecutionMode exchangeMode, boolean breakPipeline) {

	ShipStrategyType shipType;
	FieldList partitionKeys;
	boolean[] sortDirection;
	Partitioner<?> partitioner;

	switch (this.partitioning) {
		case RANDOM_PARTITIONED:
			shipType = globalDopChange ? ShipStrategyType.PARTITION_RANDOM : ShipStrategyType.FORWARD;
			partitionKeys = null;
			sortDirection = null;
			partitioner = null;
			break;

		case FULL_REPLICATION:
			shipType = ShipStrategyType.BROADCAST;
			partitionKeys = null;
			sortDirection = null;
			partitioner = null;
			break;

		case ANY_PARTITIONING:
		case HASH_PARTITIONED:
			shipType = ShipStrategyType.PARTITION_HASH;
			partitionKeys = Utils.createOrderedFromSet(this.partitioningFields);
			sortDirection = null;
			partitioner = null;
			break;

		case RANGE_PARTITIONED:
			shipType = ShipStrategyType.PARTITION_RANGE;
			partitionKeys = this.ordering.getInvolvedIndexes();
			sortDirection = this.ordering.getFieldSortDirections();
			partitioner = null;
			break;

		case FORCED_REBALANCED:
			shipType = ShipStrategyType.PARTITION_RANDOM;
			partitionKeys = null;
			sortDirection = null;
			partitioner = null;
			break;

		case CUSTOM_PARTITIONING:
			shipType = ShipStrategyType.PARTITION_CUSTOM;
			partitionKeys = this.partitioningFields;
			sortDirection = null;
			partitioner = this.customPartitioner;
			break;

		default:
			throw new CompilerException("Unsupported partitioning strategy");
	}

	channel.setDataDistribution(this.distribution);
	DataExchangeMode exMode = DataExchangeMode.select(exchangeMode, shipType, breakPipeline);
	channel.setShipStrategy(shipType, partitionKeys, sortDirection, partitioner, exMode);
}

Example 18

Source File: GroupReduceWithCombineProperties.java From Flink-CEPplus with Apache License 2.0

4 votes

@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);
	}
}