Configuring Oracle Database for Shared Server
You can enable shared server and set or alter shared server initialization parameters.
- Initialization Parameters for Shared Server
A set of initialization parameters control shared server operation.
- Memory Management for Shared Server
Shared server requires some user global area (UGA) in either the shared pool or large pool. For installations with a small number of simultaneous sessions, the default sizes for these system global area (SGA) components are generally sufficient. However, if you expect a large number of sessions for your installation, you may have to tune memory to support shared server. - Enabling Shared Server
Shared server is enabled by setting theSHARED_SERVERSinitialization parameter to a value greater than 0. The other shared server initialization parameters need not be set.
- Configuring Dispatchers
TheDISPATCHERSinitialization parameter configures dispatcher processes in the shared server architecture. At least one dispatcher process is required for shared server to work. If you do not specify a dispatcher, but you enable shared server by settingSHARED_SERVERto a nonzero value, then by default Oracle Database creates one dispatcher for the TCP protocol.
- Disabling Shared Server
You disable shared server by setting theSHARED_SERVERSinitialization parameter to 0. You can do this dynamically with theALTERSYSTEMstatement. - Shared Server Data Dictionary Views
You can query data dictionary views for information about your shared server configuration and to monitor performance.
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