# Data Access Application Block Performance Counters

The following table describes the Data Access Application Block performance counters.

Performance Counter Name

Description

Commands Executed/sec

The rate at which database commands were executed.

Commands Failed/sec

The rate at which database commands failed to execute.

Connections Failed/sec

The rate at which database connections failed to open.

Connections Opened/sec

The rate at which database connections were opened.

Total Commands Executed

The total number of database commands that were executed.

Total Commands Failed

The total number of database commands that failed to execute.

Total Connections Failed

The total number of database connections that failed to open.

Total Connections Opened

The total number of database connections that were opened.

A rate counter samples an increasing count of events over time and divides the values by the change in time to display a rate of activity. For more information about performance counters, see Overview of Performance Monitoring on TechNet.

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