Hibernate缓存不会提高性能
My Application-context.xml:Hibernate缓存不会提高性能,hibernate,caching,apache-camel,spring-orm,Hibernate,Caching,Apache Camel,Spring Orm,My Application-context.xml: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
..
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
..
default-autowire="byName">
<import resource="jms-context.xml" />
<context:property-placeholder location="classpath:res.properties" />
<context:annotation-config />
<context:component-scan base-package="..." />
<tx:annotation-driven transaction-manager="transactionManager" />
<bean id="PROPAGATION_REQUIRED"
class="org.springframework.transaction.support.TransactionTemplate">
<property name="transactionManager" ref="transactionManager" />
<property name="propagationBehaviorName" value="PROPAGATION_REQUIRED" />
</bean>
<bean id="pooledDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
destroy-method="close">
<property name="driverClass" value="${jdbc.database.driverClass}" />
<property name="jdbcUrl" value="${jdbc.database.url}" />
<property name="user" value="${jdbc.database.username}" />
<property name="password" value="${jdbc.database.password}" />
...
</bean>
<bean id="GLOBAL" class="oracle.jdbc.pool.OracleDataSource"
destroy-method="close" p:URL="${jdbc.database.url}" p:user="${jdbc.database.username}"
p:password="${jdbc.database.password}">
<property name="connectionCachingEnabled" value="true" />
<property name="connectionCacheProperties">
<util:map>
<entry key="MinLimit" value="${jdbc.database.minLimit}" />
<entry key="MaxLimit" value="${jdbc.database.maxLimit}" />
<entry key="InitialLimit" value="${jdbc.database.initialLimit}" />
</util:map>
</property>
</bean>
<bean id="global-tm" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="global-em" />
<property name="dataSource" ref="GLOBAL" />
</bean>
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="global-em" />
</bean>
<bean id="jpaVendorAdapter" class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
<property name="showSql" value="false" />
<property name="generateDdl" value="false" />
<property name="databasePlatform" value="${jpa.hibernate.dialectClass}" />
</bean>
<bean id="global-em"
class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"
p:packagesToScan="..." p:dataSource-ref="pooledDataSource"
p:jpaVendorAdapter-ref="jpaVendorAdapter">
<property name="jpaPropertyMap">
<map>
<entry key="hibernate.temp.use_jdbc_metadata_defaults" value="false" />
<entry key="hibernate.cache.region.factory_class"
value="org.hibernate.cache.ehcache.SingletonEhCacheRegionFactory" />
<entry key="hibernate.cache.use_second_level_cache" value="true" />
<entry key="hibernate.cache.use_query_cache" value="true" />
<entry key="javax.persistence.sharedCache.mode" value="ENABLE_SELECTIVE" />
<entry key="hibernate.generate_statistics" value="true" />
</map>
</property>
</bean>
<bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" />
</beans>
驼峰路线生成器中的DSL如下所示:
from(fromURI)
...
.policy(required)
.bean(bean1, "proc")
...
.recipientList().method(recipientList, "endPoint")
...
.end();
但我看不出有任何明显的改善。我错过什么了吗
我的限制是:
使用这个hibernate工厂 net.sf.ehcache.hibernate.EhCacheRegionFactory 而不是 org.hibernate.cache.ehcache.SingletonEhCacheRegionFactory 我在我的项目中使用ehcache已经有一段时间了,它肯定会减少引发的查询数量
如果您有任何问题,请告诉我。您说我不能像使用Hibernate(
org.Hibernate.annotations.Cache
)一样使用Hibernate,但您有。你能解释一下你的例子到底想展示什么吗?@Boristespider,很抱歉搞混了。甚至我也尝试过直接使用Hibernate,但没有效果。我需要使用SpringJPA底层配置将在HibernateThanks上进行响应。当我使用Hibernate 4.1.12.Final时;建议使用org.hibernate.cache.ehcache而不是net.sf.ehcache.hibernate包。当然,我会尽快尝试org.hibernate.cache.ehcache.EhCacheRegionFactory。请让我知道您的想法。这两者之间的区别是,SingletonEhCacheRegionFactory
为每个创建的SessionFactory
返回相同的缓存实例,而EhCacheRegionFactory
为每个SessionFactory
返回不同的缓存实例。是否使用一个或其他影响缓存内容的位置,而不是速度。
from(fromURI)
...
.policy(required)
.bean(bean1, "proc")
...
.recipientList().method(recipientList, "endPoint")
...
.end();