ApsaraDB for Redis has upgraded the monitoring metrics. The DescribeMonitorItems operation is phased out.
December 15, 2020
The DescribeMonitorItems operation is phased out. You can call this operation to query the list of monitoring metrics supported by an instance of ApsaraDB for Redis.
You cannot call the DescribeMonitorItems operation after it is phased out. If your business is affected by this API operation, we recommend that you make the proper changes before December 15, 2020.
If you have any questions, submit a ticket for technical support.