21 May 2018

Plan cache memory used (MB)

by Redgate Monitor Team

4,686 0 Memory

Metrics install automatically if you have Redgate Monitor installed.

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

This metric shows the amount of memory used by cached plans in MB.

Metric definition

Name

Cache memory used (MB)

Description

The amount of memory used by the cache.

The T-SQL query that will collect data


		
			
			
Transact-SQL
			
			Select Sum(size_in_bytes)/1024/1024  FROM sys.dm_exec_cached_plans
			
				
					
				
					1
				
						Select Sum(size_in_bytes)/1024/1024  FROM sys.dm_exec_cached_plans

Instances to collect from

All

Databases to collect from

All

Collection frequency

Use collected or calculated values

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

Metric collection

Enabled

Alert definition

An alert for this metric can be added once a baseline has been established.

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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.

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