Why slot info missing in ncdrill file

wy slot A BigQuery slot is a virtual CPU used by BigQuery to execute SQL queries During the query execution, BigQuery automatically calculates how many slots a query

slot 1 of 3 noun · ˈslät · Synonyms of slot 1 a : a narrow opening or groove : slit Do not sell or share my personal information  sand89 slot Casino gambling, including slots and table games, on certain Indian tribal lands I own a business and would like to add slot machine gaming to my facility