This topic describes how to enable automatic storage expansion for an ApsaraDB MyBase for MySQL High-availability Edition instance that uses cloud disks.
Prerequisites
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The database instance is an ApsaraDB MyBase for MySQL High-availability Edition instance that uses cloud disks.
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Your account or storage plan has a sufficient balance for storage expansion.
Background information
You can enable automatic storage expansion for an instance in one of the following ways:
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Enable this feature when you create an instance. For more information, see Create an ApsaraDB MyBase for MySQL instance.
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Enable this feature for an existing instance, as described in the Procedure section.
Procedure
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Log on to the ApsaraDB for MyBase console.
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In the upper-left corner of the page, select the target region.
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In the navigation pane on the left, click .
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Find the target instance and click Details in the Actions column.
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In the navigation pane on the left, click .
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On the right side of the page, click Autonomy Service Settings.
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On the Autonomous Function Settings tab, configure the following parameters.
This tab also includes the Automatic Index Creation and Deletion slider and the Automatic Throttling switch.
Parameter
Description
Enable Autonomy Service
Turn on this switch to enable Autonomy Service.
Automatic Space Expansion
Turn on this switch to enable automatic storage expansion.
Available storage space
The system triggers automatic storage expansion when the remaining storage space falls to or below the specified percentage.
Auto-expansion storage limit
The maximum storage size, in GB, that the instance can be automatically expanded to. Valid values: 100 to 32000.
NoteWhen an automatic expansion is triggered, the system increases the storage by 5 GB or 15% of the current storage size, whichever is greater.
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Click OK to save the settings.