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SQL Server TempDB files on server with NUMA processors

SQLMuse asked
Last Modified: 2012-08-16
Hi everyone,

We are setting up a new server for SQL Server 2008 R2.  The server has 128 GB RAM.  When I look in Task Manager, it shows 80 processors.  I looked in resource monitor and it shows 4 NUMA sockets with 19 nodes in each socket.

So my question is, how many TempDB files should we configure?  Currently we have it at 4 but I'm not sure how to configure with this many / type of CPU.  I've not worked with a machine with this type processors before.  Since MS basically recommends 1 tempdb file per core, how many should be use?  What is the definition of a core in this scenario?

Let me know if you need more information.

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