Help Center > > FAQs> Database Connection> What Should I Do If an RDS Database Problem Causes a Connection Failure?

What Should I Do If an RDS Database Problem Causes a Connection Failure?

Updated at: Jun 09, 2021 GMT+08:00

Check whether any of the following problems occurred on the RDS DB instance.

  1. The RDS DB instance is not properly connected.

    Solution: Check the connection. The RDS DB instance must be accessed only through an ECS in the same VPC.

  2. The maximum number of connections has been reached.

    Solution: Use RDS resource monitoring to check if the CPU usage and the number of current connections are abnormal. If either of them has reached the maximum, reboot, disconnect, or scale up the class of the RDS DB instance.

  3. The DB instance is abnormal. For example, the RDS DB instance fails to be rebooted, the system is faulty, or the instance or table is locked.

    Solution: Reboot the RDS DB instance to see if the problem is resolved. If the problem persists, contact post-sales technical support.

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