Functions

Billing Mode

GaussDB provides two billing modes, yearly/monthly billing and pay-per-use billing, to meet requirements in different scenarios.

• Yearly/Monthly: You pay upfront for the amount of time you expect to use the DB instance for. You will need to make sure you have a top-up account with a sufficient balance or have a valid payment method configured first.
• Pay-per-use: You can start using the DB instance first and then pay as you go.

After purchasing a DB instance, you can change its billing mode if the current one no longer meets your business needs. For details, see Pay-per-Use to Yearly/Monthly and Yearly/Monthly to Pay-per-Use.

Connecting to a DB Instance

You can connect to GaussDB instances using gsql, DBeaver, Navicat, or Data Admin Service (DAS). For details about the differences between different connection modes, see Connecting to a GaussDB Instance.

Configuring Security Group Rules

You can configure security group rules to allow specific IP addresses to access your GaussDB instances. The default security group rule allows all outgoing data packets. ECSs and GaussDB instances can access each other if they are in the same security group. You can define different access control rules for a security group, and these rules are then applied to all the GaussDB instances added to this security group.

For more information, see Configuring Security Group Rules for a GaussDB Instance.

Migrating Data

You can migrate data to GaussDB from MySQL, Oracle, PostgreSQL, Db2 for LUW, RDS for SQL Server, or Microsoft SQL Server databases, or from one GaussDB instance to another GaussDB instance.

For details, see Overview of GaussDB Migration Solutions.

Backing Up and Restoring an Instance

GaussDB provides instance backup and restoration to ensure data reliability.

For more information, see Data Backup and Data Restoration.

Managing Parameter Templates

You can use database parameter templates to manage DB engine configurations. These templates store configuration settings that can be applied to one or more DB instances. In GaussDB, there are two types of parameter templates: default templates and custom templates.

• A default parameter template includes both DB engine defaults and system-defined settings. These parameters cannot be modified directly. To customize parameter values, you must create a custom template first.
• To use your custom parameter settings, create a custom parameter template and apply it to your GaussDB instance. For details, see Applying a Parameter Template.

Scaling Up Storage

As more data is added, your GaussDB instance may start to run out of space. If the kernel system detects that the storage usage exceeds the predefined threshold, the instance is set to read-only and no data can be written to it. (The default threshold is 85%. You can modify the instance parameter cms:datastorage_threshold_value_check to change the usage threshold.) You can scale up the storage of your instance.

For details, see Scaling Up Storage Space.

Scaling In and Out an Instance

After you purchase a GaussDB instance, your resource requirements might change due to workload changes. For such cases, GaussDB distributed instances in an independent deployment support scale-in and scale-out, allowing you to adjust resources as required. For details, see:

Monitoring and Alarm Reporting

Cloud Eye continuously monitors the operating status of DB instances. You can view monitoring metrics of your DB instances through the Cloud Eye management console. For details, see Querying GaussDB Monitoring Metrics.

GaussDB also supports custom alarm rules, allowing you to define monitored objects and notification policies. This helps ensure timely awareness of database health and performance issues. For details, see Creating Alarm Rules for a GaussDB Instance.

Tags

Tag Management Service (TMS) allows you to manage cloud resources using tags through the management console. TMS works with other cloud services to manage tags. TMS manages tags globally. Other cloud services manage only their own tags.

You can use unified tags to manage various resources and use custom tags to categorize DB instances. For details, see Managing GaussDB Tags.