Last updated：2020-12-02 17:22:37
|Maximum memory size||300 GB for a cluster instance and 64 GB for a primary/secondary instance||Submit a ticket to apply for a larger capacity.|
|Maximum number of instances that can be purchased at a time||10||Submit a ticket if you want to purchase more instances at a time.|
|Maximum number of read-only instances for a primary/secondary instance||7||Submit a ticket if you need more read-only instances.|
|Maximum number of manual backup files||5
KCS retains backup files for seven days by default.
|No exception is not allowed.|
|Default period after which an expired instance is deleted||15 days||No exception is not allowed.|
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