<ul><li>The unsung hero of many operations in SQL Server is the tempdb database. </li><li>This guide helps diagnose and resolve tempdb issues before they lead to outages.</li><li>The first query can help identify what is currently consuming space in tempdb.</li><li>The second query reveals the hourly growth trend to catch runaway queries or misconfigured auto-grow settings.</li><li>The third query helps identify potential top offenders by user or session and who is consuming tempdb.</li><li>The fourth query helps identify orphaned or oversized temp tables in tempdb.</li><li>The fifth query helps monitor space used by version store for snapshot isolation.</li><li>The article provides proactive tuning recommendations such as pre-sizing tempdb, multiple data files, avoiding SELECT INTO and enabling query store. </li><li>By systematically analyzing tempdb usage, one can address space issues, optimize query performance and ensure smooth SQL Server operations.</li><li>It is recommended to regularly monitor key DMVs and automate alerts for tempdb growth to prevent problems.</li></ul>

Here's How to Keep Tempdb From Becoming Your Worst Nightmare

Discover more