Mirroring Archives - Redgate Monitor Metrics

Data not yet sent to the mirror

by Grant Fritchey

10,528 0 Compliance, Mirroring

This metric tracks the amount of data waiting to be sent from the principal database to the mirror. This is known as the send queue. Read more

Current status of mirroring

by Grant Fritchey

19,196 0 Compliance, Mirroring

Mirroring systems can go offline. This metric returns the current state of the mirroring system so you’ll know from a single value what the current status of your mirroring environment is. Read more

Current role of a database

by Grant Fritchey

8,160 1 Mirroring

This metric allows you to keep track of the role of a given database within your mirroring set up. The single value returned tells you whether the database is the principal or the mirror. Read more

This metric returns a single value that tells you whether the witness is connected, disconnected or unknown. Knowing if it is offline can be as important as knowing if your mirrored databases are available. Read more

Mirroring latency

by Richard Slim

14,460 1 Mirroring

This metric measures the latency of a mirroring stream. This is useful for checking the historical status of mirroring and also alerting when mirroring is delayed. 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.

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.

Featured custom metrics

Total database file size

by Hugo Kornelis | 8,323 views | Memory Performance Storage

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 | 6,363 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

Full backup to odd path

by Eelco Drost | 5,784 views | Compliance

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