Schema modified

 12,507 0 ,
The metric is a necessary step in order to achieve the key purpose of this metric, which is to create an alert that will be raised when something is added to the schema, or the existing schema is modified. Read more

Buffer cache used per database in MB

 16,488 0 ,
Knowing how much of your RAM is committed to each database can help you provision the right amount of RAM to SQL Server. It also helps to identify rogue queries that draw too much data into RAM and force data from other databases out of the cache. Read more

Server principals with default database offline

 8,597 0
This metric monitors whether a server principal's default database is offline. When you create a SQL Server server principal (formerly referred to as a server login) it has a default database setting that is used to assist in a connection request when no database is specified. Read more

What are custom metrics?

The Redgate Monitor custom metric feature lets you run T-SQL queries against your SQL Servers to collect specific data. You can analyze and receive alerts about your custom data just like everything else Redgate Monitor collects.

But what if you don’t want to write your own queries? No problem. Redgate has brought together a range of quality custom metrics for you to use in Redgate Monitor, which are all are free, tried and tested. You can install straight away, and use the resources on this site to help you write your own.

See the Getting Started guides

What is Redgate Monitor?

Redgate Monitor is a SQL Server performance monitoring tool that gives you real-time and historical SQL Server performance data with alerts and diagnostics.

With its embedded expertise from SQL Server experts and MVPs, it gives you the information and advice you need to find and fix issues before users are even aware.

Find out more about Redgate Monitor

Featured custom metrics

  • Total database file size

    by Hugo Kornelis | 8,255 views |

    This custom metric measures the total database file size (data files and log file combined). An increase in this metric signals that a database was grown. When not done by the DBA, this is an autogrow. Excessive autogrow events should be prevented as this can result to file fragmentation. Try to manually grow files before […] Read more

  • Number of active backups and restores

    by Redgate Monitor Team | 6,311 views |

    This metric will display the total number of active backups and restores on a server. This can be used to correlate with other metrics to explain why disk IO and CPU usage could have changed. Read more

  • Full backup to odd path

    by Eelco Drost | 5,723 views |

    This custom metric queries the MSDB database to search for multiple paths for a full backup Read more

See all custom metrics