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ApsaraDB for Redis:Lifecycle of an ApsaraDB for Redis instance

Last Updated:Oct 27, 2023

This topic describes the lifecycle of an ApsaraDB for Redis instance. The lifecycle starts from the time when the instance is created to the time when the instance is released or unsubscribed.

Lifecycle

Figure 2. LifecycleLifecycle
Important If you perform specific operations on an instance, the state of the instance changes. This affects the instance in different ways. For example, the service may be interrupted for a few seconds. For more information, see Instance states and impacts.
OperationDescription
Create an ApsaraDB for Redis instanceApsaraDB for Redis provides two editions: Community Edition and Enhanced Edition (Tair). ApsaraDB for Redis Enhanced Edition (Tair) has the following types of instance: DRAM-based instances, Persistent memory-optimized instances, and ESSD-based instances. You can choose one based on your business requirements.
Change the configurations of an instanceYou can change the specifications, architecture, and type of your instance to meet the performance and compatibility requirements of different scenarios.
Adjust the number of shards for an ApsaraDB for Redis cloud-native instanceA larger number of shards result in higher instance performance. You can adjust the number of shards for an instance based on your business requirements. For more information about Community Edition with cloud disks, see Specifications of ApsaraDB for Redis Community Edition cloud-native instances.
Restart one or more ApsaraDB for Redis instancesIf the number of connections reaches the upper limit or if performance issues occur, you can restart the ApsaraDB for Redis instance to close all connections.
Upgrade the major versionYou can upgrade the major version of an ApsaraDB for Redis instance, for example, from Redis 2.8 to Redis 4.0. After the major version of the instance is upgraded, you can use the functions and features of the new version. For more information about new major versions, see New features and compatibility changes of major versions of Redis.
Update the minor versionAlibaba Cloud continuously optimizes the kernel of ApsaraDB for Redis to fix security vulnerabilities and improve service stability. We recommend that you periodically check and update the minor version of your instances at the earliest opportunity.
Release pay-as-you-go instancesYou can release idle pay-as-you-go instances to save resources.
Manage instances in the recycle binApsaraDB for Redis provides a recycle bin to store expired, overdue, and released ApsaraDB for Redis instances. You can renew, recreate, or permanently delete instances in the recycle bin.