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ApsaraDB RDS:Set the monitoring frequency (old version)

Last Updated:Sep 28, 2026

You can set the monitoring frequency for an ApsaraDB RDS for MySQL instance on the monitoring page (old version) to monitor its performance in real time.

Important
  • You can set the monitoring frequency only on the Legacy Monitoring. Some frequencies incur a fee.

  • The monitoring frequency for the monitoring page (new version), also known as Standard Monitoring, is fixed at 5 seconds and cannot be changed. This service is free.

Background

ApsaraDB RDS offers multiple monitoring frequencies to help you monitor performance in real time.

  • Every 5 seconds (paid)

  • Every 60 seconds

  • Every 300 seconds

Note

You can query monitoring data from the last 30 days. Data older than 30 days is not retained.

The following table describes the supported monitoring frequencies for different instance types.

Instance type

Every 5 seconds

Every 60 seconds

Every 300 seconds

High-availability Edition or Enterprise Edition with less than 8 GB of memory

Not supported

Free

Free (Default)

High-availability Edition or Enterprise Edition with 8 GB or more of memory

Paid

Free (Default)

Free

Basic Edition

Not supported

Not supported

Free (Default)

Cluster Edition

Not supported

Free

Free

Note

For a cloud disk instance, the monitoring frequency is fixed at 60 seconds and cannot be changed.

To learn how to set the monitoring frequency for an instance that runs a different database engine, see Set the monitoring frequency for an ApsaraDB RDS for SQL Server instance.

Billing

  • Billable item: 5-second monitoring frequency.

  • Billing method: pay-as-you-go. Charges are billed hourly.

  • Price: USD 0.012 per hour.

Procedure

  1. Go to the Instances page. In the top navigation bar, select the region in which the RDS instance resides. Then, find the RDS instance and click the ID of the instance.

  2. In the left-side navigation pane, click Monitoring and Alerts.

  3. On the right side of the page, click Back to Old Version.

    Note

    You can set the monitoring frequency only on the Legacy Monitoring. The monitoring frequency for the monitoring page (new version), also known as Standard Monitoring, is fixed at 5 seconds and cannot be changed.

  4. On the monitoring page (old version), click Set Monitoring Frequency.

  5. In the Set Monitoring Frequency dialog box, select a monitoring frequency and click OK.

    Note

    The 60-second and 300-second monitoring frequencies are free. The 5-second frequency is a paid service. For more information, see Billing.

    If the instance type does not support second-level monitoring, the Set Monitoring Frequency dialog box displays a message.

Related documentation

API reference

API

Description

DescribeDBInstanceMonitor

Queries the monitoring frequency of an instance.