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Operation Performance Counters

Operation performance counters are found under the ServiceModelOperation 4.0.0.0 performance object when viewing with the Performance Monitor (Perfmon.exe). Each operation has an individual instance. That is, if a given contract has 10 operations, 10 operation counter instances are associated with that contract. The object instances are named using the following pattern:

(ServiceName).(ContractName).(OperationName)@(first endpoint listener address)

This counter enables you to measure how the call is being used and how well the operation is performing.

Caution noteCaution

There is a limit on the length of a performance counter instance's name. When a Windows Communication Foundation (WCF) counter instance name exceeds the maximum length, WCF replaces a portion of the instance name with a hash value.

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