Myths With Page Life Expectancy

Kevin Hill has a public service announcement:

I’ve been hearing throughout my entire DBA career that 300 seconds is a good counter for PLE (Page Life Expectancy) to be above.

Paul Randal calls this “utter nonsense“.  If anyone would have the right to say that, its Paul.

It is good for the number to be above 300, but that’s like saying it’s good to have your brand new car last a year and a half.

Related Posts

Database Migration With dbatools

Jess Pomfret shows how easy it is to migrate databases from one SQL Server instance to another using dbatools: Now that there are no connections we can move the database.  Depending on the situation it might be worth setting the database to read only or single user mode first. In my case, I had the […]

Read More

Working With Azure SQL Managed Instances

Jovan Popovic has a couple of posts covering configuration for Azure SQL Managed Instances.  First, he looks at how to configure tempdb: One limitation in the current public preview is that tempdb don’t preserves custom settings after fail-over happens. If you add new files to tempdb or change file size, these settings will not be preserved after fail-over, and […]

Read More


November 2017
« Oct Dec »