Package org.apache.flink.compiler.dag

Examples of org.apache.flink.compiler.dag.ReduceNode

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      // non forward case.plug in a combiner
      Channel toCombiner = new Channel(in.getSource());
      toCombiner.setShipStrategy(ShipStrategyType.FORWARD);
     
      // create an input node for combine with same DOP as input node
      ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode();
      combinerNode.setDegreeOfParallelism(in.getSource().getDegreeOfParallelism());

      SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getPactContract().getName()+")", toCombiner, DriverStrategy.ALL_REDUCE);
      combiner.setCosts(new Costs(0, 0));
      combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
     
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      // 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);
     
      // create an input node for combine with same DOP as input node
      ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode();
      combinerNode.setDegreeOfParallelism(in.getSource().getDegreeOfParallelism());

      SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode, "Combine ("+node.getPactContract().getName()+")", toCombiner, DriverStrategy.SORTED_PARTIAL_REDUCE, this.keyList);
      combiner.setCosts(new Costs(0, 0));
      combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
     
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      }
      else if (c instanceof FilterOperatorBase) {
        n = new FilterNode((FilterOperatorBase<?, ?>) c);
      }
      else if (c instanceof ReduceOperatorBase) {
        n = new ReduceNode((ReduceOperatorBase<?, ?>) c);
      }
      else if (c instanceof GroupReduceOperatorBase) {
        n = new GroupReduceNode((GroupReduceOperatorBase<?, ?, ?>) c);
      }
      else if (c instanceof JoinOperatorBase) {
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Related Classes of org.apache.flink.compiler.dag.ReduceNode

  • org.apache.flink.compiler.operators.AllReduceProperties
  • org.apache.flink.compiler.operators.OperatorDescriptorSingle
  • org.apache.flink.compiler.operators.ReduceProperties
  • org.apache.flink.compiler.PactCompiler$GraphCreatingVisitor
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