TempDB Size and Monitoring

I was working on a requirement recently to monitor the TempDB to check on the space it was occupying. The requirement was to monitor and identify the TempDB space occupied by applications.

To find out the space used by all the TempDB files, use this simple query

SELECT SUM(size)*1.0/128 AS [TempDBSizeMB]
FROM tempdb.sys.database_files

However to monitor the TempDB size, I found a nice article by Sunil Agarwal called TempDB Monitoring and Troubleshooting: Out of Space to identify TempDB space allocations. Here’s the output that shows the allocations in TempDB by the currently running apps.


You can download the query here

About The Author

Suprotim Agarwal, MCSD, MCAD, MCDBA, MCSE, is the founder of DotNetCurry, DNC Magazine for Developers, SQLServerCurry and DevCurry. He has also authored a couple of books 51 Recipes using jQuery with ASP.NET Controls and a new one recently at The Absolutely Awesome jQuery CookBook.

Suprotim has received the prestigous Microsoft MVP award for nine times in a row now. In a professional capacity, he is the CEO of A2Z Knowledge Visuals Pvt Ltd, a digital group that represents premium web sites and digital publications comprising of Professional web, windows, mobile and cloud developers, technical managers, and architects.

Get in touch with him on Twitter @suprotimagarwal, LinkedIn or befriend him on Facebook

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