user manual

232 BES Developer’s Guide

Defining the Connection Pool Properties for a JDBC Datasource

At runtime each JDBC datasource corresponds to an instance of a connection

pool. Connection pools provide for the reuse of connections and optimization

of database connectivity. Some datasources may require different treatment

as connection pools than others. A number of configuration options exist for

these connection pools. Control of pool sizes, statement execution behavior,

and transaction parameters are specified as properties in the <visitransact-

datasource> element in the DAR descriptor file. You specify properties using

the <property> element, which includes the <prop-name>, <prop-type>, and <prop-