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Answer by AaronBertrand
Do you have a tempdb issue to begin with? Typical wisdom (once you've established that you have a tempdb bottleneck) is to start slowly - try # of files = half the number of cores the instance can see....
View ArticleAnswer by Pavel Pawlowski
Take a look on Paul Randal's posts: [A SQL Server DBA myth a day: (12/30) tempdb should always have one data file per processor core][1] [Comprehensive tempdb blog post series][2] You will find very...
View ArticleAnswer by Tim
From my experience I would start out with 4 files on both instances and would have a dedicated RAID group for TEMPDB. With multiple instances and both having high performance OLTP databases you are...
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