presto-main/src/main/java/io/prestosql/execution/QueryManagerConfig.java/QueryManagerConfig/setScheduleSplitBatchSize
class QueryManagerConfig:    @Config("query.schedule-split-batch-size")
    public QueryManagerConfig setScheduleSplitBatchSize(int scheduleSplitBatchSize)
    {
        this.scheduleSplitBatchSize = scheduleSplitBatchSize;
        return this;
    }