VLF

Worth considering for performance (will impact mirroring) : shrink tlog to reduce number of virtual log files (VLF)

Doesn’t take much to do and is one off, but you have to do it at a quiet time to get best effect

Reckon around 50 to be a good number

http://sqlblog.com/blogs/linchi_shea/archive/2009/02/09/performance-impact-a-large-number-of-virtual-log-files-part-i.aspx

http://www.karaszi.com/SQLServer/info_dont_shrink.asp

 

NB dont run dbcc loginfo on a snapshot in SQL 2005!

http://connect.microsoft.com/SQLServer/feedback/details/292136/running-dbcc-loginfo-on-db-snapshot

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

w

Connecting to %s