我已经经历了几个问题,this有点相关但不回答我的问题。c3p0连接池是否可确保最大池大小?
c3p0连接池maxPoolSize
确保某个时间的连接数量不会超过此限制吗?如果maxPoolSize=5
和10个用户同时开始使用该应用,该怎么办?
我的应用程序。配置
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
<property name="driverClass"><value>${database.driverClassName}</value>/property>
<property name="jdbcUrl"><value>${database.url}</value></property>
<property name="user"><value>${database.username}</value></property>
<property name="password"><value>${database.password}</value></property>
<property name="initialPoolSize"><value>${database.initialPoolSize}</value>/property>
<property name="minPoolSize"><value>${database.minPoolSize}</value></property>
<property name="maxPoolSize"><value>${database.maxPoolSize}</value></property>
<property name="idleConnectionTestPeriod"><value>200</value></property>
<property name="acquireIncrement"><value>1</value></property>
<property name="maxStatements"><value>0</value></property>
<property name="numHelperThreads"><value>3</value></property>
</bean>
<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="dataSource"/>
</bean>
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory"/>
<property name="dataSource" ref="dataSource"/>
</bean>