mysql max连接数设置过大会影响网站性能吗

MySQL max连接数设置过大会影响网站性能吗？

java
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
public class ConnectionPool {
    private BlockingQueue pool;
    public ConnectionPool(int maxConnections) {
        pool = new ArrayBlockingQueue<>(maxConnections);
        for (int i = 0; i < maxConnections; i++) {
            try {
                Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/mydb", "username", "password");
                pool.put(connection);
            } catch (SQLException | InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
    public Connection getConnection() throws InterruptedException {
        return pool.take();
    }
    public void releaseConnection(Connection connection) throws InterruptedException {
        pool.put(connection);
    }
}