presto-main/src/main/java/io/prestosql/execution/scheduler/TopologyAwareNodeSelector.java/TopologyAwareNodeSelector/computeAssignments
class TopologyAwareNodeSelector:    @Override
    public SplitPlacementResult computeAssignments(Set<Split> splits, List<RemoteTask> existingTasks, BucketNodeMap bucketNodeMap)
    {
        return selectDistributionNodes(nodeMap.get().get(), nodeTaskMap, maxSplitsPerNode, maxPendingSplitsPerTask, splits, existingTasks, bucketNodeMap);
    }