201206030/novel
1
0
Fork 0
mirror of https://github.com/201206030/novel.git synced 2025-04-27 07:30:50 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

perf: 提前创建数据库连接池

Browse Source 
Spring Boot 新版本默认会在第一次请求数据库时创建连接池
This commit is contained in:
xiongxiaoyang 2025-03-19 07:53:03 +08:00
parent 60488258f5
commit 9d8709ed2d
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/main/java/io/github/xxyopen/novel/NovelApplication.java
View File

@ -1,5 +1,6 @@
package io.github.xxyopen.novel;
import com.zaxxer.hikari.HikariDataSource;
import lombok.extern.slf4j.Slf4j;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.CommandLineRunner;
@ -15,6 +16,7 @@ import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.web.SecurityFilterChain;
import javax.sql.DataSource;
import java.sql.Connection;
import java.util.Map;
@SpringBootApplication
@ -39,7 +41,14 @@ public class NovelApplication {
});
// 提前创建连接池，而不是在第一次访问数据库时才创建，提高第一次访问接口的速度
log.info("创建连接池...");
dataSource.getConnection();
try (Connection connection = dataSource.getConnection()) {
HikariDataSource hikariDataSource = (HikariDataSource) dataSource;
log.info("最小空闲连接数：{}", hikariDataSource.getMinimumIdle());
log.info("最大连接数：{}", hikariDataSource.getMaximumPoolSize());
log.info("创建连接池完成.");
log.info("数据库：{}", connection.getMetaData().getDatabaseProductName());
log.info("数据库版本：{}", connection.getMetaData().getDatabaseProductVersion());
}
};
}