@Override public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) { Channel toReducer = in; if (in.getShipStrategy() == ShipStrategyType.FORWARD || (node.getBroadcastConnections() != null && !node.getBroadcastConnections().isEmpty())) { if (in.getSource().getOptimizerNode() instanceof PartitionNode) { LOG.warn("Cannot automatically inject combiner for ReduceFunction. Please add an explicit combiner with combineGroup() in front of the partition operator."); } } else if (combinerStrategy != DriverStrategy.NONE) { // 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 ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode(); combinerNode.setParallelism(in.getSource().getParallelism()); SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getOperator().getName()+")", toCombiner, this.combinerStrategy, this.keyList); combiner.setCosts(new Costs(0, 0)); combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties()); toReducer = new Channel(combiner); toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(), in.getShipStrategySortOrder(), in.getDataExchangeMode()); toReducer.setLocalStrategy(LocalStrategy.SORT, in.getLocalStrategyKeys(), in.getLocalStrategySortOrder()); } return new SingleInputPlanNode(node, "Reduce (" + node.getOperator().getName() + ")", toReducer, DriverStrategy.SORTED_REDUCE, this.keyList); }
@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); } }
@Override public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) { Channel toReducer = in; if (in.getShipStrategy() == ShipStrategyType.FORWARD || (node.getBroadcastConnections() != null && !node.getBroadcastConnections().isEmpty())) { if (in.getSource().getOptimizerNode() instanceof PartitionNode) { LOG.warn("Cannot automatically inject combiner for ReduceFunction. Please add an explicit combiner with combineGroup() in front of the partition operator."); } } else if (combinerStrategy != DriverStrategy.NONE) { // 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 ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode(); combinerNode.setParallelism(in.getSource().getParallelism()); SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getOperator().getName()+")", toCombiner, this.combinerStrategy, this.keyList); combiner.setCosts(new Costs(0, 0)); combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties()); toReducer = new Channel(combiner); toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(), in.getShipStrategySortOrder(), in.getDataExchangeMode()); toReducer.setLocalStrategy(LocalStrategy.SORT, in.getLocalStrategyKeys(), in.getLocalStrategySortOrder()); } return new SingleInputPlanNode(node, "Reduce (" + node.getOperator().getName() + ")", toReducer, DriverStrategy.SORTED_REDUCE, this.keyList); }
@Override public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) { Channel toReducer = in; if (in.getShipStrategy() == ShipStrategyType.FORWARD || (node.getBroadcastConnections() != null && !node.getBroadcastConnections().isEmpty())) { if (in.getSource().getOptimizerNode() instanceof PartitionNode) { LOG.warn("Cannot automatically inject combiner for ReduceFunction. Please add an explicit combiner with combineGroup() in front of the partition operator."); } } else if (combinerStrategy != DriverStrategy.NONE) { // 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 ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode(); combinerNode.setParallelism(in.getSource().getParallelism()); SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getOperator().getName()+")", toCombiner, this.combinerStrategy, this.keyList); combiner.setCosts(new Costs(0, 0)); combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties()); toReducer = new Channel(combiner); toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(), in.getShipStrategySortOrder(), in.getDataExchangeMode()); toReducer.setLocalStrategy(LocalStrategy.SORT, in.getLocalStrategyKeys(), in.getLocalStrategySortOrder()); } return new SingleInputPlanNode(node, "Reduce (" + node.getOperator().getName() + ")", toReducer, DriverStrategy.SORTED_REDUCE, this.keyList); }
@Override public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) { Channel toReducer = in; if (in.getShipStrategy() == ShipStrategyType.FORWARD || (node.getBroadcastConnections() != null && !node.getBroadcastConnections().isEmpty())) { if (in.getSource().getOptimizerNode() instanceof PartitionNode) { LOG.warn("Cannot automatically inject combiner for ReduceFunction. Please add an explicit combiner with combineGroup() in front of the partition operator."); } } else if (combinerStrategy != DriverStrategy.NONE) { // 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 ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode(); combinerNode.setParallelism(in.getSource().getParallelism()); SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getOperator().getName()+")", toCombiner, this.combinerStrategy, this.keyList); combiner.setCosts(new Costs(0, 0)); combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties()); toReducer = new Channel(combiner); toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(), in.getShipStrategySortOrder(), in.getDataExchangeMode()); toReducer.setLocalStrategy(LocalStrategy.SORT, in.getLocalStrategyKeys(), in.getLocalStrategySortOrder()); } return new SingleInputPlanNode(node, "Reduce (" + node.getOperator().getName() + ")", toReducer, DriverStrategy.SORTED_REDUCE, this.keyList); }
combinerNode.setParallelism(in.getSource().getParallelism());
@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); } }
@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); } }
@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); } }
@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); } }