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The semantic layer allows SAP BusinessObjects Web Intelligence to deliver documents, by utilizing multiple synchronized data providers, including online analytical processing (OLAP) and common warehousing metamodel (CWM) data sources. Tracking the connections and requests to the semantic layer will help administrators assess how efficiently the semantic layer handles the requests it receives and identify bottlenecks (if any). To monitor the load on the semantic layer and measure its load-processing ability, administrators can use the BobiDSLSrvcTest test.

This test keeps an eye on the requests received by and connections to the semantic layer and reports the count of data requests still to be serviced by the layer, thus pointing to probable processing bottlenecks.

Measurement	Description	Measurement Unit	Interpretation
activeConnCount	Indicates the number of connections currently open on the semantic layer.	Number	This is a good indicator of the current connection load on the layer.
activeOLAPConnCount	Indicates the number of OLAP connections currently open on the semantic layer.	Number	This is a good indicator of the current OLAP connection load on the layer.
activeSessionCount	Indicates the number of open sessions between clients and the layer.	Number	This is a good indicator of the current session load on the layer.
queryCount	Indicates the number of currently open data requests between clients and the layer.	Number	A consistent increase in the value of this measure could indicate that requests are not been processed quickly enough by the server. You may have to investigate the reasons for this bottleneck and fix it.