休眠屬性保持連接活着

Question

有任何Hibernate屬性的配置保持活着總是與MySql的一定數量的連接？

預先感謝您。

Answer 1

我想你問關於連接池。您可以配置它，例如使用C3P0 像這樣

<hibernate-configuration> 
    <session-factory> 
     <property name="hibernate.bytecode.use_reflection_optimizer">false</property> 
     <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property> 
     <property name="hibernate.connection.username">root</property> 
     <property name="hibernate.connection.password"></property> 
     <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/tutorials</property> 
     <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property> 
     <property name="show_sql">true</property> 
     <property name="hibernate. 
connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property> 
     <property name="hibernate.c3p0.min_size">7</property> 
     <property name="hibernate.c3p0.max_size">53</property> 
     <property name="hibernate.c3p0.timeout">100</property> 
     <property name="hibernate.c3p0.max_statements">50</property> 
     <property name="hibernate.c3p0.idle_test_period">1000</property> 
     <property name="hibernate.c3p0.validate">true</property> 
     <property name="hibernate.connection.provider_class">org.hibernate.service. 
jdbc.connections.internal.C3P0ConnectionProvider</property> 
     <mapping resource="com/javacodegeeks/Student.hbm.xml"></mapping> 
    </session-factory> 
</hibernate-configuration> 

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