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General Reference
This article describes how to create read-only instances including intra-city read-only instances and remote read-only instances.
Overview
For the purpose of reducing pressure of reading RDS general instances and realizing elastic expansion of database reading capability, you can create one or multiple read-only instances to meet the massive reading demand of database.
Prerequisites
Usage Guidelines
Procedures
1. Log in to the RDS Console.
2. In the left navigation pane, click RDS-MySQL to enter the DBPaaS for RDS-MySQL page.
3. Select the target region.
4. Click Manage in the operation column of the target general instance and select Information tab.
5. In the Information area, click CREATE READ ONLY INSTANCE on the right side of the page and enter the Create Read Only Instance page.
6. In the Information of Main Instance area, view and check the basic information of a general instance.
7. Create a read-only instance based on the following information.
Configuration item |
Description |
Region |
The region of a read-only instance. You can select intra-city or remote region to create an intra-city or remote read-only instance based on the business demand. |
Availability Zone |
The availability zone of a read-only instance. : A intra-city read-only instance can only be created in the availability zone of the intra-city DR instance. |
Computing specifications |
The computing specifications of a read-only instance include CPU and memory. You can select specifications different from that of a general instance to meet business demand. |
Billing method |
Billing method of a read-only instance is the same as that of the general instance and cannot be modified. |
8. Click Confirm Order. Enter Order Confirmation page to confirm relevant information of the read-only instance.
9. Click Confirm Open.
Result
Method 1:
Method 2:
In the left navigation pane, click RDS-MySQL. On the DBPaaS for RDS-MySQL page, select the region of the read-only instance. You can view the just created read-only instance and its Status turns from Pending into Running.
• Intra-city read-only instance
• Remote read-only instance
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