Performance Monitor Counters

[This is preliminary documentation and subject to change.]

Performance monitor counters are fully supported for each event. For the core OLE/DB functions, these counters are the same as the store counters. For Exchange specific implementations such as the various event interfaces, the OLE/DB layer in the store supports counters to discover how an out-of-process sink affects the performance of the overall system. In addition, the OLE/DB provider creates counters for each virtual server instance, similar to what is done by other Internet Information Services, such as the SMTP, NNTP and HTTP services.

Each event (OnSyncOpen etc.) appears as an instance with the following counters. All rate counters are per second.

• Submitted Rate
• Submitted Total
• Completed Rate
• Completed Total