Hi sakuraime,
No. If your system has more than 8 logical processors, start with 8 data files and monitor your server’s workload to determine if more data files would be beneficial. If you do find that an increase is warranted, add 4 data files at a time, but do not add more than the number of logical processors. Please refer to How Many tempdb Data Files Should My SQL Server Have?
The current best advice around adding tempdb data files is enshrined in KB article 2154845.
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Best regards,
Cathy