From among the functionality for performance tuning, you define connection sharing in the <rar> tag of cosminexus.xml. The following table describes the definition of the functionality for performance tuning in cosminexus.xml.

Table 3-52 Definition of the functionality for performance tuning in cosminexus.xml

Specified tag	Settings
<resource-external-property>-<res-sharing-scope> tag	Specify whether the obtained connections will be shared.

For details on cosminexus.xml, see 2. Application Property File (cosminexus.xml) in the uCosminexus Application Server Application and Resource Definition Reference Guide.