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perf: 提高接口第一次访问速度

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Spring Boot 新版本默认会在第一次访问数据库时才创建连接池
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xiongxiaoyang 2025-03-19 00:14:00 +08:00
parent b7bb98db16
commit 60488258f5
1 changed files with 5 additions and 2 deletions
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7
src/main/java/io/github/xxyopen/novel/NovelApplication.java
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@ -14,6 +14,7 @@ import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.security.config.annotation.web.builders.HttpSecurity; import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.web.SecurityFilterChain; import org.springframework.security.web.SecurityFilterChain;
import javax.sql.DataSource;
import java.util.Map; import java.util.Map;
@SpringBootApplication @SpringBootApplication
@ -28,7 +29,7 @@ public class NovelApplication {
} }
@Bean @Bean
public CommandLineRunner commandLineRunner(ApplicationContext context) { public CommandLineRunner commandLineRunner(ApplicationContext context, DataSource dataSource) {
return args -> { return args -> {
Map<String, CacheManager> beans = context.getBeansOfType(CacheManager.class); Map<String, CacheManager> beans = context.getBeansOfType(CacheManager.class);
log.info("加载了如下缓存管理器："); log.info("加载了如下缓存管理器：");
@ -36,7 +37,9 @@ public class NovelApplication {
log.info("{}:{}", k, v.getClass().getName()); log.info("{}:{}", k, v.getClass().getName());
log.info("缓存：{}", v.getCacheNames()); log.info("缓存：{}", v.getCacheNames());
}); });
// 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();
}; };
} }