How do I shrink my mssql database log file truncate transaction log?
Truncate the transaction log
- Right-click the database and select Properties -> Options.
- Set the recovery model to Simple and exit the menu.
- Right-click the database again and select Tasks -> Shrink -> Files.
- Change the type to Log .
- Under Shrink action, select Reorganize pages before releasing unused space and click OK.
What happens when you shrink a SQL log file?
Shrinking data files recovers space by moving pages of data from the end of the file to unoccupied space closer to the front of the file. When enough free space is created at the end of the file, data pages at end of the file can be deallocated and returned to the file system.
Why is my database log file so large?
There are a number of reasons a log file can fill to extreme sizes. The most common one by far is that the database is in full recovery model, and Transaction Log backups are not happening fast enough, or not happening at all.
How do I know if my database is in simple recovery mode?
Right-click the database, and then click Properties, which opens the Database Properties dialog box. In the Select a page pane, click Options. The current recovery model is displayed in the Recovery model list box.
How do you stop a database from shrinking?
Open a query window, find the session id that the shrink is running from and KILL it. Shrinking causes massive fragmentation and will just result in the data file growing again next time data gets added. When that happens, the entire system will slow down as the file is expanded.
How long does it take to shrink database SQL Server?
1) Shrinking data files will not lock the database but user may experience slowness. 2) It depends on your CPU and Memory, But I think it should not take more than 30 mins.
Can you stop a database shrink?
“DBCC SHRINKFILE operations can be stopped at any point in the process, and any completed work is retained.”