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Third Party Vendors and Missing tempdb Space

Tanayankar Chakraborty troubleshoots a strange issue:


An issue was brought to our attention recently where an azure SQL DB was throwing TempDB related errors although the customer felt that the TempDB usage never came close to the value published in the official Microsoft document. Here’s the error the customer had complained about:


Here is a more detailed error text :

The database ‘tempdb’ has reached its size quota. Partition or delete data, drop indexes, or consult the documentation for possible resolutions.’. Possible failure reasons: Problems with the query, ‘ResultSet’ property not set correctly, parameters not set correctly, or connection not established correctly.

This was an interesting problem and, admittedly, I didn’t predict the twist.

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