阿里巴巴Druid連線池配置
阿新 • • 發佈:2019-01-31
Druid 是阿里巴巴的開源資料庫連線池技術,相比dbcp、c3p0更優秀,具有密碼加密、sql連線監控功能,無論在效能還是穩定性上表現都十分出色。
一、加入jar檔案
二、spring.xml配置:
在context.hibernate1.xml中進行配置,具體配置如下:
<context:property-placeholder location="classpath:jdbc.properties"/>
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
init-method ="init" destroy-method="close">
<property name="driverClassName" value="${oracle.driver}" />
<property name="url" value="${oracle.url}" />
<property name="username" value="${oracle.username}" />
<property name="password" value="${oracle.password}" />
<property name="initialSize" value="${druid.initialSize}" />
<property name="maxActive" value="${druid.maxActive}" />
<property name="maxIdle" value="${druid.maxIdle}" />
<property name="minIdle" value="${druid.minIdle}" />
<property name="maxWait" value="${druid.maxWait}" />
<property name="removeAbandoned" value="${druid.removeAbandoned}" />
<property name="removeAbandonedTimeout" value="${druid.removeAbandonedTimeout}" />
<property name="timeBetweenEvictionRunsMillis" value="${druid.timeBetweenEvictionRunsMillis}" />
<property name="minEvictableIdleTimeMillis" value="${druid.minEvictableIdleTimeMillis}" />
<property name="validationQuery" value="${druid.validationQuery}" />
<property name="testWhileIdle" value="${druid.testWhileIdle}" />
<property name="testOnBorrow" value="${druid.testOnBorrow}" />
<property name="testOnReturn" value="${druid.testOnReturn}" />
<property name="poolPreparedStatements" value="${druid.poolPreparedStatements}" />
<property name="maxPoolPreparedStatementPerConnectionSize" value="${druid.maxPoolPreparedStatementPerConnectionSize}" />
<!--屬性型別是字串,通過別名的方式配置擴充套件外掛,常用的外掛有:
監控統計用的filter:stat
日誌用的filter:log4j
防禦SQL注入的filter:wall -->
<!--<property name="filters" value="${druid.filters}" /> -->
<!-- 解密密碼必須要配置的項 config, stat啟用監控過濾器-->
<property name="filters" value="config,stat" />
<property name="connectionProperties" value="config.decrypt=true;config.decrypt.key=${oracle.publickey}" />
</bean>
web.xml 中配置sql監控
<servlet>
<servlet-name>DruidStatView </servlet-name>
<servlet-class>com.alibaba.druid.support.http.StatViewServlet </servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>DruidStatView </servlet-name>
<url-pattern>/druid/*</url-pattern>
</servlet-mapping>
jdbc.properties
<!-- 資料庫基本資訊配置 -->
oracle.driver = oracle.jdbc.driver.OracleDriver
oracle.url = jdbc:oracle:thin:@localhost:1521:makecardcl
oracle.username = MakeCard_CL
oracle.password = ZWV95JNDIhKl90iz1hy0uc+n0Fav0LO/U/36PkO4AuXMnuz+MiXmkYDqeICk3ONeTeEDe/BctZ+pVwnB0sK51A==
oracle.publickey = MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBAIQdIhCTaX4fSqZaKcaGDODShQ8x832eLgM9IWQPlCxYSxaSwhsy/mKtq8bLuodVBGrDLSWLLbAdb5PX/ShyBaECAwEAAQ==
<!-- 初始化連線數量 -->
druid.initialSize = 3
<!-- 最大併發連線數 -->
druid.maxActive = 10
<!-- 最大空閒連線數 -->
druid.maxIdle=5
<!-- 最小空閒連線數 -->
druid.minIdle = 2
<!-- 配置獲取連線等待超時的時間 -->
druid.maxWait = 60000
<!-- 超過時間限制是否回收 -->
druid.removeAbandoned = true
<!-- 超過時間限制多長; -->
druid.removeAbandonedTimeout = 180
<!-- 配置間隔多久才進行一次檢測,檢測需要關閉的空閒連線,單位是毫秒 -->
druid.timeBetweenEvictionRunsMillis = 60000
<!-- 配置一個連線在池中最小生存的時間,單位是毫秒 -->
druid.minEvictableIdleTimeMillis = 300000
<!-- 用來檢測連線是否有效的sql,要求是一個查詢語句-->
druid.validationQuery = SELECT 1 FROM DUAL
<!-- 申請連線的時候檢測 -->
druid.testWhileIdle = false
<!-- 申請連線時執行validationQuery檢測連線是否有效,配置為true會降低效能 -->
druid.testOnBorrow = false
<!-- 歸還連線時執行validationQuery檢測連線是否有效,配置為true會降低效能 -->
druid.testOnReturn = false
<!-- 開啟PSCache,並且指定每個連線上PSCache的大小 -->
druid.poolPreparedStatements = true
druid.maxPoolPreparedStatementPerConnectionSize = 100
filters =stat
使用druid.jar 包生成密碼
通過cmd命令,生產publickey ,password
Java -cp druid-1.0.9.jar com.alibaba.druid.filter.config.ConfigTools you_password