Percentage of database free space

This metric measures the percentage of database free space - both reserved and unused - to help you manage space requirements more efficiently. For example, you might find this data helps you to correctly estimate file size, so you don't suffer from problems with automatic file growth.

Install metric...

Metrics install automatically if you have SQL Monitor installed.

If you are using Redgate’s SQL Server monitoring tool, SQL Monitor, you can instantly install and run this metric on your servers.

This metric measures the percentage of database free space – both reserved and unused – to help you manage space requirements more efficiently. For example, you might find this data helps you to correctly estimate file size, so you don’t suffer from problems associated with automatic file growth.

Percentage of database free space, 4.1 out of 5 based on 11 ratings

Metric definition

Name

Percentage of database free space

Description

This metric measures the percentage of database free space - both reserved and unused - to help you manage space requirements more efficiently. For example, you might find this data helps you to correctly estimate file size, so you don't suffer from problems associated with automatic file growth.

The T-SQL query that will collect data

Instances to collect from

Select all

Databases to collect from

0

Collection frequency

1800

Note: If this frequency is too low or too high for your needs, choose an alternative option.

Use collected or calculated values

Leave the Use a calculated rate of change between collections check box unchecked

Metric collection

Enabled

Alert definition

Alert name

Low database free space

Description

The amount of free space for this database (including reserved and unused space) is low.

Raise an alert when the metric value goes

Below the defined threshholds

Default threshold values

High:10
Medium:20
Low:30

Note: These thresholds are intended as guideline values. If they seem too high or too low for your environment, replace them with values more suited to your server performance.

Raise an alert when the threshold is passed for

3 collections

Alert is

Enabled