This metric queries data from an Extended Events session to detect databases being dropped, created, started, stopped, attached or detached. It assigns a configurable “anxiety index” value (an integer from 1-10) to each detected event and then calculates a total based on the occurrences of these events over a period. First, create and start for […] Read more
Get the count of Images that have been created with no Data Masker masking set applied. Run this solely on the Instance where you have the SQLClone_Config DB Setup (about ~5ms to run). Read more
This metric counts the number of principals who are members of the sysadmin fixed server role. Adding a normal user to this role could pose a security risk and is not recommended. Read more
This metric returns the number of check constraints that have their is_not_trusted flag set to 1 in the sys.check_constraints table. This can point to a data integrity issue which should be investigated. Read more
If your application relies on identity columns, use this metric to measure the number of identity columns that are near to the limit per database. Read more
The number of out of memory errors that have occurred within a rolling five minute window. If you just want to keep an eye out for any memory errors, you can watch the ring buffers for the Out of Memory error alert when it gets registered there. Read more
Backups are at the heart of the activities of any DBA. You have to restore the backup to know it is good, but you can get an early alert that something is wrong if your backup size changes rapidly or unexpectedly in a short period of time. 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.
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.
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
by Redgate Monitor Team | 6,373 views | Performance
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
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