{%hackmd Hy_uVFcRD %} # [Sprring Boot終極講義]Spring boot 連線池 Spring Boot優先選擇HikariCP作為連線池,因為該連線池實現的性能、併發性都相當好,只要類加載路徑中具有HikariCP的實現,就會優先選擇他。 Spring Boot選擇連線池具有以下優先級: HikariCP > Tocat > Commons DBCP2 而spring-boot-start-jdbc.jar 或 spring-boot-starter-data-jpa.jar中都已經包含了HikariCP。 我們可以在Spring Boot中的properties調整數據庫的最大連線數限制 ``` spring.datasource.hikari.maximum-pool-size=20 ``` --- ###### tags: `spring` `connect pool`
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