presto-hive/src/main/java/io/prestosql/plugin/hive/HiveConfig.java/HiveConfig/setMaxOutstandingSplits
class HiveConfig:    @Config("hive.max-outstanding-splits")
    @ConfigDescription("Target number of buffered splits for each table scan in a query, before the scheduler tries to pause itself")
    public HiveConfig setMaxOutstandingSplits(int maxOutstandingSplits)
    {
        this.maxOutstandingSplits = maxOutstandingSplits;
        return this;
    }