-- To check current tempdb size and growth parameters, use the following query:
SELECT name AS FileName, 
   size*1.0/128 AS FileSizeinMB,
   CASE max_size 
       WHEN 0 THEN 'Autogrowth is off.'
       WHEN -1 THEN 'Autogrowth is on.'
       ELSE 'Log file grows to a maximum size of 2 TB.'
   END,
   growth AS 'GrowthValue',
   'GrowthIncrement' = 
       CASE
           WHEN growth = 0 THEN 'Size is fixed.'
           WHEN growth > 0 AND is_percent_growth = 0 
               THEN 'Growth value is in 8-KB pages.'
           ELSE 'Growth value is a percentage.'
       END
FROM tempdb.sys.database_files;
GO