為什么80%的碼農都做不了架構師？>>> ??

!-- 阿里 druid 數據庫連接池 -->
< bean id = "dataSource" class = "com.alibaba.druid.pool.DruidDataSource"destroy-method = "close" >
<!-- 數據庫基本信息配置 -->
< property name = "url" value = "${url}" />
< property name = "username" value = "${username}" />
< property name = "password" value = "${password}" />
< property name = "driverClassName" value = "${driverClassName}" />
< property name = "filters" value = "${filters}" />
<!-- 最大并發連接數 -->
< property name = "maxActive" value = "${maxActive}" />
<!-- 初始化連接數量 -->
< property name = "initialSize" value = "${initialSize}" />
<!-- 配置獲取連接等待超時的時間 -->
< property name = "maxWait" value = "${maxWait}" />
<!-- 最小空閑連接數 -->
< property name = "minIdle" value = "${minIdle}" />
<!-- 配置間隔多久才進行一次檢測，檢測需要關閉的空閑連接，單位是毫秒 -->
< property name = "timeBetweenEvictionRunsMillis" value ="${timeBetweenEvictionRunsMillis}" />
<!-- 配置一個連接在池中最小生存的時間，單位是毫秒 -->
< property name = "minEvictableIdleTimeMillis" value ="${minEvictableIdleTimeMillis}" />
< property name = "validationQuery" value = "${validationQuery}" />
< property name = "testWhileIdle" value = "${testWhileIdle}" />
< property name = "testOnBorrow" value = "${testOnBorrow}" />
< property name = "testOnReturn" value = "${testOnReturn}" />
< property name = "maxOpenPreparedStatements" value ="${maxOpenPreparedStatements}" />
<!-- 打開 removeAbandoned 功能 -->
< property name = "removeAbandoned" value = "${removeAbandoned}" />
<!-- 1800 秒，也就是 30 分鐘 -->
< property name = "removeAbandonedTimeout" value ="${removeAbandonedTimeout}" />
<!-- 關閉 abanded 連接時輸出錯誤日志 -->
< property name = "logAbandoned" value = "${logAbandoned}" />
</ bean > 與公司的比起來，少poolPreparedSatments = true maxPoolPreparedStatmentPerConnectSize = 20; 多：< property name = "maxOpenPreparedStatements" value ="${maxOpenPreparedStatements}" />

應該是版本問題。

url: jdbc:mysql:// localhost :3306/ newm
driverClassName: com.mysql.jdbc.Driver
username: root
password: root
filters: stat
maxActive: 20
initialSize: 1
maxWait: 60000
minIdle: 10
maxIdle: 15
timeBetweenEvictionRunsMillis: 60000
minEvictableIdleTimeMillis: 300000
validationQuery: SELECT 'x'
testWhileIdle: true
testOnBorrow: false
testOnReturn: false
maxOpenPreparedStatements: 20
removeAbandoned: true
removeAbandonedTimeout: 1800
logAbandoned: true

轉載于:https://my.oschina.net/nipin/blog/892437

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