Connection pooling, but what it is and what it do ? It is set of database connections that can be used in future. This connection can be used across many sessions, once execution completes, it returns connection to connection pool. Source: docs.oracle.com It will boost performance, because creating connection for every-user and action it will degrade performance, So how can we add connection pooling in java. Hibernate configuration using c3p0 hibernate.connection.driver_class=com.mysql.jdbc.Driver hibernate.connection.url=jdbc:mysql://localhost/connectionpool hibernate.connection.username=root hibernate.connection.password=<password> hibernate.dialect=net.sf.hibernate.dialect.MySQLDialect hibernate.show_sql=false hibernate.c3p0.max_size=1 hibernate.c3p0.min_size=0 hibernate.c3p0.timeout=5000 hibernate.c3p0.max_statements=100 hibernate.c3p0.idle_test_period=300 hibernate.c3p0.acquire_increment=2 For more information, che
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