Package org.apache.drill.exec.planner.cost

Examples of org.apache.drill.exec.planner.cost.DrillCostBase

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    double inputRows = RelMetadataQuery.getRowCount(child);
    int  rowWidth = child.getRowType().getFieldCount() * DrillCostBase.AVG_FIELD_WIDTH;
    double cpuCost = DrillCostBase.SVR_CPU_COST * inputRows ;
    int numEndPoints = PrelUtil.getSettings(getCluster()).numEndPoints();
    double networkCost = DrillCostBase.BYTE_NETWORK_COST * inputRows * rowWidth * numEndPoints;
    return new DrillCostBase(inputRows, cpuCost, 0, networkCost);
  }
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    return ((DrillCostBase) RelMetadataQuery.getCumulativeCost(prel)).getMemory();
//    return findCost(prel);
  }

  private double findCost(Prel prel) {
    DrillCostBase cost = (DrillCostBase) RelMetadataQuery.getNonCumulativeCost(prel);
    double memory = cost.getMemory();

    for (Prel child : prel) {
      memory += findCost(child);
    }
    return memory;
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    double inputRows = RelMetadataQuery.getRowCount(child);
    int  rowWidth = child.getRowType().getFieldCount() * DrillCostBase.AVG_FIELD_WIDTH;
    double cpuCost = DrillCostBase.SVR_CPU_COST * inputRows ;
    int numEndPoints = PrelUtil.getSettings(getCluster()).numEndPoints();
    double networkCost = DrillCostBase.BYTE_NETWORK_COST * inputRows * rowWidth * numEndPoints;
    return new DrillCostBase(inputRows, cpuCost, 0, networkCost);
  }
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Related Classes of org.apache.drill.exec.planner.cost.DrillCostBase

  • org.apache.drill.exec.planner.physical.BroadcastExchangePrel
  • org.apache.drill.exec.planner.physical.visitor.MemoryEstimationVisitor
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