How do you grow all files in a file group equally? The answer is Trace Flag 1117, plus the AutoGrow option that SQL Server 2016 brought for filegroups.
Always On Redo Queue Grows: Version Store Is Full on the Secondary Replica
An Always On redo queue that keeps growing means a secondary has log records waiting to be applied. In one client case the cause was a full version store in tempdb. The tests here show how a long read builds the version store on SQL Server 2025 and which queries find it.
Find the Query Growing TempDB in SQL Server
To find the query growing TempDB, read the space each session has allocated and join it to its statement. This post separates temporary tables from spills, watches both live in a second window and shows the totals after a query ends. It ends with ways to fix a spill.
SQL SERVER- High CPU and Transaction Type WorkFileGroup_fake_worktable and Workfile
Workfile and WorkFileGroup_fake_worktable were clues in a customer high-CPU investigation. I correlated them with queries and plan evidence.
Msg 5123: CREATE FILE Access Denied on TempDB After Disk Migration
Msg 5123 with operating system error 5, Access is denied, kept SQL Server from starting on a cluster after a disk migration. TempDB files could not be created on the new drive. Giving the SQL Server service account Full Control on the folders fixes it.
Temporary Stored Procedures in SQL Server: Local and Global
Temporary stored procedures start with one # sign for a local one and two for a global one, and both live in tempdb. This post creates each kind on a demo database, shows who can call them and when they disappear, and explains which database their object names resolve in. It ends with the habit that makes them useful for testing a rewrite.
How to Shrink TempDB Without SQL Server Restart? – Interview Question of the Week #163
A client ran the shrink command again and again, but TempDB would not get any smaller. Here is how to Shrink TempDB without a SQL Server restart.