Below are the steps:
- click on environments
- click on services
- click on JDBC
- click on DataSources
- click on jdbcdatasource-0(that is user defined)
- click on connection pool
- enter values of intial capacity(that is no of db connections used for initially)
- enter value of max capacity(that is max db connections used by app server)
capacity increment is for db connections after reaching the initial connections then connections incrementation