presto-hive/src/main/java/io/prestosql/plugin/hive/HiveConfig.java/HiveConfig/setMaxInitialSplitSize
class HiveConfig:    @Config("hive.max-initial-split-size")
    public HiveConfig setMaxInitialSplitSize(DataSize maxInitialSplitSize)
    {
        this.maxInitialSplitSize = maxInitialSplitSize;
        return this;
    }