Hikaricp connection pool performance tuning skills

Hikaricp connection pool performance tuning technology HikaricP is a high -performance Java JDBC connection pool.It improves the performance of the application by effectively managing connection and providing optimized configuration options.This article will introduce some of the performance tuning technology that can be used to optimize the HikaricP connection pool. 1. Set the appropriate connection pool size: The size of the connection pool has a direct impact on performance.If the connection pool is too small, the application may encounter the problem of insufficient connection; if the connection pool is too large, the resources may be wasted.According to the needs of the application, set the appropriate maximum number of connections with HikaricP's `setmaximumPoolsize ()` method. HikariConfig config = new HikariConfig(); config.setMaximumPoolSize(10); HikariDataSource dataSource = new HikariDataSource(config); 2. Adjust the connection timeout settings: The timeout time determines the life cycle connected in the pool.If the free connection in the connection pool exceeds the specified timeout, they will be closed.According to the needs of the application, use HikaricP's `Setidletimeout () method to set the appropriate free timeout time. HikariConfig config = new HikariConfig(); Config.Setidletimeout (60000); // 60 seconds HikariDataSource dataSource = new HikariDataSource(config); 3. Enable automatic submission: In the case of determining that there is no need to manage manual transactions, the automatic submission function can be enabled.This can avoid unnecessary transaction expenses and improve performance.Establish automatic submission through HikaricP's `setAutocommit () method. HikariConfig config = new HikariConfig(); config.setAutoCommit(true); HikariDataSource dataSource = new HikariDataSource(config); 4. Use the right connection test mechanism: HikaricP provides a connection test function, which can periodically check the effectiveness of the connection to prevent applications from using failed connections.You can use HikaricP's `setConnectiontestQuery () method to set the connection test sentence.Generally, select a SQL statement that can be executed quickly for connection testing. HikariConfig config = new HikariConfig(); config.setConnectionTestQuery("SELECT 1"); HikariDataSource dataSource = new HikariDataSource(config); 5. Enable the performance record of the connection pool: Hikaricp provides detailed performance records to help position potential performance problems.You can set the `LeakDetectionThreshold` property as a positive integer, and the unit is milliseconds to enable the connection leak detection and records. HikariConfig config = new HikariConfig(); Config.setLeakdetectionThreshold (30000); // 30 seconds HikariDataSource dataSource = new HikariDataSource(config); 6. Use the appropriate connection pool configuration: HikaricP supports a variety of configuration options to optimize the performance of the connection pool.For example, you can use `setConnectionTimeout ()` method to set the connection timeout time, and set the maximum number of connections with the method of using `setmaximumpoolsize ()` method.Read the official documentation carefully to understand all available configuration options, and choose the appropriate configuration according to the needs of the application. Summarize: Through the appropriate configuration of the size of the HikaricP connection tank, connection timeout settings, enable automatic submission, and the use of appropriate connection test mechanisms, it can improve the performance of the application.At the same time, by using the performance record function of the connection pool and the appropriate connection pool configuration, the performance of the connection pool can be further optimized.It is recommended to flexibly use and adjust the HikaricP connection pool according to the needs and characteristics of the application to achieve the best performance and reliability.