SQL Server Performance Counters

For each SQL Server instance that is installed, Performance Monitor/System Monitor will have a number of SQL Server–specific performance objects added to it, each with a number of associated counters. Because you can now have multiple SQL Server instances on a single machine, each will have separate monitoring objects. You certainly wouldn't want to mix monitoring values across multiple instances. You have already seen a few of these as you were monitoring each major component of network, processors, memory, and disk systems. Table 37.5 shows the complete list of the installed SQL Server performance objects.

Table 37.5. SQL Server Performance Objects
Performance Monitor Object Description
MSSQL:Access Methods

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