What are the SQL Server memory dump files?
They are memory dumps files generated when SQL hits a bug, or something “unexpected” happens. This same as Windows OS bluescreening.
The size and contents of which are dependent on the problem that occurred.
By the way, this check is a part of our SQL Server Health Check.
Note: Memory dump files may contain sensitive information.
Should you care about SQL Server dumps?
It’s equivalent to Windows bluescreening, so it isn’t typical behavior of SQL Server.
These files may be consuming a Lot of Disk Space too.
How can I find the dump files?
You can use the query below to list all SQL Server dump files.
SELECT *
FROM sys.dm_server_memory_dumps
ORDER BY creation_time DESC
How can I fix the issue?
- Patch your SQL Server, upgrade to the latest SP & CU.
- If the memory dumps continue and you are familiar with a debugger, you can try to understand the issue troubleshooting the files.
- If you’re not comfortable, open a support case with Microsoft.
More information
Microsoft – Get Full Memory Dump.
Microsoft – sys.dm_server_memory_dumps.
