Hibernate- connection pool

• When a connection pool is not specified, the default use its own connection pool, for development and testing only
• Use Tomcat connection pool
• C3P0
  • maven import C3P0

    <dependency>

    <groupId>org.hibernate</groupId>

    <artifactId>hibernate-c3p0</artifactId>

    <version></version>

    </dependency>

  • hibernate add configuration using C3P0

    <property name="connection.provider_class">

    org.hibernate.c3p0.internal.C3P0ConnectionProvider

    </property>

    <property name="hibernate.c3p0.min_size">5</property>

    <property name="hibernate.c3p0.max_size">10</property>

    <property name="hibernate.c3p0.max_statements">50</property>

    <property name="hibernate.c3p0.timeout">3600</property>

    <property name="hibernate.c3p0.idle_test_period">60</property>

    <property name="hibernate.c3p0.acquire_increment">2</property>

The main property	Description ( time in seconds )
min_size	The minimum number of connections
max_size	Maximum number of connections
max_statements	statement maximum number of
timeout	After the timeout delete the connection
idle_test_period	Check idle connection interval
acquire_increment	Number of database connections after the new connection with the

• Proxool