This topic describes the release notes for ApsaraDB for Redis and provides links to the relevant references.

Note For more information, go to the Product Updates page.

Release notes of minor versions

July 2022

Item Description Release date Region References
Parameter configuration export and import Parameter configurations can be imported to and exported from an ApsaraDB for Redis instance as a file. 2022-07-05 All regions Modify parameters of an instance

June 2022

Item Description Release date Region References
Password-free access The password-free access feature is available for storage-optimized instances of ApsaraDB for Redis Enhanced Edition (Tair) that are deployed in a virtual private cloud (VPC). For more information, see Storage-optimized instances. 2022-06-09 All regions Enable password-free access

May 2022

Item Description Release date Region References
ApsaraDB for Redis Community Edition instances that run Redis 7.0 and use cloud disks ApsaraDB for Redis Community Edition instances that run Redis 7.0 and use cloud disks are available. 2022-05-27 All regions
ApsaraDB for Redis Community Edition instances that run Redis 5.0 or 6.0 and use cloud disks ApsaraDB for Redis Community Edition instances that run Redis 5.0 or 6.0 and use cloud disks are available on the international site (alibabacloud.com). 2022-05-27 South Korea (Seoul)
Recycle bin The recycle bin feature is available for ApsaraDB for Redis instances that use cloud disks. ApsaraDB for Redis provides a recycle bin to store ApsaraDB for Redis instances that are expired, overdue, and released. You can unlock, recreate, or permanently delete instances in the recycle bin. 2022-05-05 All regions Manage instances in the recycle bin

April 2022

Item Description Release date Region References
Data synchronization and data migration for ApsaraDB for Redis instances that use cloud disks Data Transmission Service (DTS) can be used to migrate and synchronize data for ApsaraDB for Redis instances that use cloud disks. 2022-04-21 All regions
Cluster master-replica instances that contain proxy nodes ApsaraDB for Redis cloud disk-based instances can be created with proxy nodes. Proxy nodes allow you to change the architecture of an ApsaraDB for Redis instance, balance loads, route commands, and use multiple databases in cluster mode. 2022-04-21 All regions Features of proxy nodes
New region ApsaraDB for Redis instances that use cloud disks are available in the South Korea (Seoul) region. 2022-04-14 All regions None
Backup set Backup sets can be used to restore data and clone databases for ApsaraDB for Redis instances that use cloud disks. 2022-04-07 All regions Restore data from a backup set to a new instance

March 2022

Item Description Release date Region References
Latency insight The latency insight feature of CloudDBA is supported. CloudDBA provides the latency insight feature to collect latency statistics of all commands that are run and custom events that are executed on databases in an ApsaraDB for Redis instance. The statistics are accurate to microseconds. 2022-03-24 All regions Latency insight
TairSearch TairSearch is supported. TairSearch is a full-text search module developed in-house based on Redis modules instead of Lucene or other open source search engine software libraries. TairSearch uses query syntax that is similar to that of Elasticsearch. 2022-03-11 All regions TairSearch

February 2022

Item Description Release date Region References
TairCpc TairCpc is supported. TairCpc is a data structure developed based on the compressed probability counting (CPC) sketch. It allows you to perform high-performance computing on sampled data with a small amount of memory. 2022-02-25 All regions TairCpc
TairTS TairTS is supported. TairTS is a time series data structure that is developed on top of Redis modules. This data structure provides low-latency and high-concurrency in-memory read and write access, supports fast filtering and aggregate queries, and has both storage and computing capabilities. TairTS simplifies the processing of time series data and significantly improves performance. 2022-02-18 All regions TairTS

January 2022

Item Description Release date Region References
New zone ApsaraDB for Redis is available in the following zones:
  • Beijing Zone J
  • Jakarta Zone B
  • Kuala Lumpur Zone B
 2022-01-27 All regions None
Export of instance details Export of instance details is supported on the Overview page of the ApsaraDB for Redis console. On the Overview page, you can export the data of all instances within your account at a time or export the data of instances filtered by region or zone. 2022-01-05 All regions Overview page of ApsaraDB for Redis

November 2021

Item Description Release date Region References
Overview page The overview page is released in the ApsaraDB for Redis console. The overview page displays the instance dashboard, resource distribution, scheduled events, and product updates, and provides quick access to common documentations. 2021-11-24 All regions Overview page of ApsaraDB for Redis

October 2021

Item Description Release date Region References
Proxy node Proxy nodes are available for persistent memory-optimized instances of the ApsaraDB for Redis Enhanced Edition (Tair) that use the cluster architecture. Proxy nodes allow you to change the architecture of an ApsaraDB for Redis instance and use a cluster instance in the same manner as you use a standard instance. You can migrate the data of a standard instance to a cluster instance that has proxy nodes without the need to modify the code. This reduces costs. 2021-10-20 All regions Features of proxy nodes

September 2021

Item Description Release date Region References
TairRoaring

The TairRoaring data structure is developed on top of Roaring bitmaps of Tair. TairRoaring uses two-level indexes and introduces multiple dynamic containers. TairRoaring also adopts optimization methods such as single instruction, multiple data (SIMD), vectorization, and popcount to provide less memory consumption and deliver higher computing efficiency for collections.

2021-09-13 All regions TairRoaring
Bandwidth auto scaling The bandwidth auto scaling feature is available for instances. This feature can monitor the average bandwidth usage in real time and adjust the bandwidth based on the specified policy. This feature allows you to efficiently handle expected and unexpected traffic peaks and improve your business performance. 2021-09-07 All regions Enable bandwidth auto scaling

August 2021

Item Description Release date Region References
Transparent Data Encryption (TDE) TDE is available for performance-enhanced instances of the ApsaraDB for Redis Enhanced Edition (Tair). For more information about performance-enhanced instances, see Performance-enhanced instances.To ensure data security and compliance, you can use TDE to encrypt and decrypt Redis Database (RDB) files. 2021-08-27 All regions Enable TDE
Password-free access Password-free access can be enabled for a persistent memory-optimized instance of the ApsaraDB for Redis Enhanced Edition (Tair) that is deployed in a VPC. This way, clients in the same VPC can connect to the instance without using passwords. After password-free access is enabled, you can still use a username and a password to connect to the instance. For more information about persistent memory-optimized instances, see Persistent memory-optimized instances. 2021-08-16 All regions Enable password-free access
Enhanced feature for scheduled events The switchover time of a scheduled event can be changed to the current time or a scheduled time. You can also specify the global scheduler to manage the switchover time of multiple scheduled events. 2021-08-05 All regions Query and manage pending events
Visual management Databases of the ApsaraDB for Redis Enhanced Edition (Tair) can be efficiently managed in the Data Management (DMS) console without the need to install a client.
Note This feature is unavailable for persistent memory-optimized instances that use the cluster architecture. For more information about persistent memory-optimized instances, see Persistent memory-optimized instances. For more information about the cluster architecture, see Cluster master-replica instances.
2021-08-04 All regions Log on to an ApsaraDB for Redis instance by using DMS

July 2021

Item Description Release date Region References
Persistent memory-optimized instance Persistent memory-optimized instances of the ApsaraDB for Redis Enhanced Edition (Tair) are available. These instances adopt persistent memory, provide native command-level persistence capabilities, and are compatible with most Redis data structures and APIs. Compared with ApsaraDB for Redis Community Edition instances, persistent memory-optimized instances of the ApsaraDB for Redis Enhanced Edition (Tair) can reduce costs by up to 30% and reach 90% of the read/write throughput. They are suitable for scenarios in which a large amount of hot and warm data needs to be stored and queried with high performance at low costs. 2021-07-27

China (Hangzhou)

China (Shanghai)

China (Beijing)

China (Zhangjiakou)

 Persistent memory-optimized instances
Storage-optimized instance Storage-optimized instances of the ApsaraDB for Redis Enhanced Edition (Tair) are available. These instances are developed based on enhanced SSDs (ESSDs), provide native command-level persistence capabilities, and are compatible with core Redis data structures and APIs. Compared with ApsaraDB for Redis Community Edition instances, storage-optimized instances of the ApsaraDB for Redis Enhanced Edition (Tair) can reduce costs by up to 85%. They are suitable for scenarios in which an ultra-large amount of warm and cold data needs to be stored and queried with moderate performance at ultra-low costs. 2021-07-27

China (Hangzhou)

China (Shanghai)

China (Beijing)

China (Zhangjiakou)

 Storage-optimized instances
Key analytics The key analytics feature is supported. This feature displays the large keys and hotkeys in ApsaraDB for Redis instances in real time. It also allows you to view the historical large keys and hotkeys within the last four days. This feature helps you obtain information, such as the memory usage and access frequency of keys, that can be used to optimize your instances. 2021-07-16 All regions Use the real-time key statistics feature
TairZset TairZset developed by Alibaba Cloud is supported. This data structure allows you to sort score data of the DOUBLE type with respect to different dimensions. This data structure improves the data processing efficiency and is easy to use on the client side because you do not need to encode, decode, or encapsulate data. 2021-07-14 All regions TairZset
Data flashback The data flashback feature is available for performance-enhanced instances of the ApsaraDB for Redis Enhanced Edition (Tair). This feature allows you to restore data of a specified key to a specified point in time that is accurate to the second. More fine-grained data restoration prevents data loss that is caused by accidental operations to the maximum extent and protects your business data. For more information about performance-enhanced instances, see Performance-enhanced instances. 2021-07-07 All regions Use data flashback to restore data by point in time
Bandwidth adjustment The bandwidth adjustment feature is supported. This feature allows you to efficiently handle expected and unexpected traffic peaks and improve your business performance. 2021-07-06 All regions Adjust the bandwidth of an ApsaraDB for Redis instance

June 2021

Item Description Release date Region References
Global Distributed Cache for Redis Global Distributed Cache for Redis is available. Global Distributed Cache for Redis is an active geo-redundancy database system that is developed by Alibaba Cloud based on ApsaraDB for Redis. Global Distributed Cache for Redis provides the geo-replication capabilities that facilitate remote disaster recovery and active geo-redundancy to reduce the latency for cross-region access. 2021-06-18 All regions Overview
New edition of the audit log feature A new version of the audit log feature is available. The new version is integrated with Log Service and allows you to query, analyze, and export log data. The new version helps you gain insights into the security and performance of ApsaraDB for Redis instances. 2021-06-11 All regions Enable the new audit log feature

May 2021

Item Description Release date Region References
Enhanced encryption The SSL encryption feature is supported. You can use Terraform to enable SSL encryption for ApsaraDB for Redis instances. 2021-05-17 All regions

Configure SSL encryption

Introduction to Terraform settings
Proxy query cache The proxy query cache feature is supported. After this feature is enabled for an ApsaraDB for Redis instance, the proxy nodes of the instance can cache the requests and responses for hotkeys. If the same requests are received from a client, the proxy nodes retrieve the responses to the requests from the cache and send the responses to the client. This feature helps prevent requests from being skewed by hotkeys. 2021-05-14 All regions Use proxy query cache to address issues caused by hotkeys
CreateInstance The following parameters are added to the CreateInstance operation of ApsaraDB for Redis:
  • Port: specifies the service port of the instance.
  • Tag.N.Key and Tag.N.Value: specify the key and value of a tag that is added to the instance.
  • DryRun: specifies whether to precheck the operation.
2021-05-12 All regions CreateInstance

April 2021

Item Description Release date Region References
Optimized performance monitoring The performance monitoring feature is optimized to adjust the layout of monitored metrics and reduce response time. This improves user experience. For more information, see Announcement: performance monitoring upgraded. 2021-04-09 All regions

View monitoring data

Metrics

March 2021

Item Description Release date Region References
Diagnostic report The diagnostic report feature is supported. This feature helps you evaluate the health status of an ApsaraDB for Redis instance based on the performance, distribution of skewed requests, and slow logs. The health status provides a reference for you to identify exceptions in the instance. 2021-03-10 All regions

Create a diagnostic report

Analyze a diagnostic report

February 2021

Item Description Release date Region References
VPC or vSwitch change The VPC or vSwitch of an ApsaraDB for Redis instance can be changed. You can migrate an ApsaraDB for Redis instance to the VPC of an Elastic Compute Service (ECS) instance. This way, the ApsaraDB for Redis instance and the ECS instance can communicate with each other at minimal latency. 2021-02-26 All regions Change the VPC or vSwitch of an ApsaraDB for Redis instance

October 2020

Item Description Release date Region References
Pending event and history event The pending event and history event features are supported. You can query details about the O&M events of ApsaraDB for Redis instances and change the scheduled switchover time of each event. The details of an event include the type, considerations, and affected instances of the event. 2020-10-23 All regions

Query history events

Query and manage pending events

September 2020

Item Description Release date Region References
Task progress bar The task progress bar feature is supported. When you perform time-consuming tasks, you can view the progress information about the tasks in the ApsaraDB for Redis console. To view the progress information about a task, you must log on to the ApsaraDB for Redis console and click the Task progress icon in the upper-right corner of the page. The progress information includes the percentage of completed operations in the task and the estimated time that is required to complete the remaining operations in the task. 2020-09-24 All regions None
Optimized parameter setting More Redis commands are supported for the #no_loose_disabled-commands parameter. This parameter is used to specify disabled commands. 2020-09-23 All regions

August 2020

Item Description Release date Region References
Optimized slow log Client IP addresses can be recorded in the slow logs of cluster instances of the ApsaraDB for Redis Enhanced Edition (Tair). You can use the recorded client IP addresses to troubleshoot issues. 2020-08-28 All regions View slow logs
Optimized metric New metrics are added to improve the stability and response speed of the performance monitoring feature. These metrics include the total number of keys, CPU utilization, used memory capacity, and memory usage. The original metrics that are used to monitor the response time of commands have been phased out from all monitoring groups. 2020-08-11 All regions

July 2020

Item Description Release date Region References
Data flashback The data flashback feature is available for performance-enhanced instances of the ApsaraDB for Redis Enhanced Edition (Tair). You can use this feature to restore the data of an ApsaraDB for Redis instance to a specific point in time that is within the last seven days. This feature helps you simplify O&M operations, protect your data in real time, and prevent data loss that is caused by accidental operations. 2020-07-29 All regions Use data flashback to restore data by point in time
Optimized support for security groups of ECS instances The number of host IP addresses that are allowed in each ECS security group is no longer limited. 2020-07-29 All regions Configure whitelists
Transport Layer Security (TLS) version selection Earlier TLS versions can be selected based on security compliance and business requirements. The default TLS version is TLS 1.0. 2020-07-28 All regions Configure SSL encryption

June 2020

Item Description Release date Region References
Optimized scaling for instances The scaling feature is optimized for instances. The optimized feature allows you to change instance configurations with minimum downtime if the number of shards remains unchanged. 2020-06-30 All regions None
Optimized instance filtering ApsaraDB for Redis instances can be filtered by zone on the Instances page in the ApsaraDB for Redis console. 2020-06-30 All regions None
Optimized endpoint change The classic network endpoint of an ApsaraDB for Redis instance can be changed. 2020-06-30 All regions Change the endpoint or port number of an ApsaraDB for Redis instance

April 2020

Item Description Release date Region References
Optimized instance restart The minor version of an ApsaraDB for Redis instance can be updated when the instance restarts. 2020-04-24 All regions Restart one or more ApsaraDB for Redis instances

March 2020

Item Description Release date Region References
Release of classic network endpoints The classic network endpoint of an ApsaraDB for Redis instance that runs in a VPC can be manually released. 2020-03-20 All regions Release a classic network endpoint
Cloning of cluster instances An ApsaraDB for Redis cluster instance can be cloned from backup sets. 2020-03-20 All regions Backup and restoration solutions

February 2020

Item Description Release date Region References
New audit log feature A new version of the audit log feature is available. 2020-02-29 All regions Enable the new audit log feature
Increased number of security groups that can be added as whitelists The number of security groups that can be added as whitelists for an ApsaraDB for Redis instance is increased to 10. 2020-02-28 All regions Add security groups
Zhangjiakou Zone C ApsaraDB for Redis is available in Zhangjiakou Zone C. 2020-02-13 All regions None
Zhangjiakou Zone B ApsaraDB for Redis is available in Zhangjiakou Zone B. 2020-02-07 All regions None

January 2020

Item Description Release date Region References
Multi-threaded proxy node Multi-threaded proxy nodes are available for ApsaraDB for Redis. The multi-threading technique improves processing performance, reduces the number of proxy nodes that are required in a large cluster instance, and improves service stability. 2020-01-10 All regions None

December 2019

Item Description Release date Region References
Hangzhou Zone I ApsaraDB for Redis is available in Hangzhou Zone I. 2019-12-31 China (Hangzhou) None
Append-only file (AOF) persistence AOF persistence can be enabled or disabled for an ApsaraDB for Redis instance. 2019-12-23 All regions Disable AOF persistence
Beijing Zone H ApsaraDB for Redis is available in Beijing Zone H. 2019-12-20 China (Beijing) None
Qingdao Zone B and Qingdao Zone C ApsaraDB for Redis is available in Qingdao Zone B and Qingdao Zone C. 2019-12-17 China (Qingdao) None
ApsaraDB for Redis Enhanced Edition (Tair) ApsaraDB for Redis Enhanced Edition (Tair) is available. Compared with ApsaraDB for Redis Community Edition, ApsaraDB for Redis Enhanced Edition (Tair) provides higher performance, more data structures, and more storage methods. 2019-12-09 All regions Overview

November 2019

Item Description Release date Region References
Eviction of expired keys The expired keys of an ApsaraDB for Redis instance can be evicted with a few clicks. 2019-11-30 All regions Delete data
Resource group ApsaraDB for Redis instances can be created in resource groups, and the created instances can be managed based on resource groups. 2019-11-30 All regions Create a resource group

June 2019

Item Description Release date Region References
Port number change The port number that is associated with an endpoint of an ApsaraDB for Redis instance can be changed. 2019-06-30 All regions Change the endpoint or port number of an ApsaraDB for Redis instance
Public endpoint A public endpoint can be allocated to an ApsaraDB for Redis instance. You can use the public endpoint to access the instance over the Internet. 2019-06-30 All regions Use a public endpoint to connect to an ApsaraDB for Redis instance

May 2019

Item Description Release date Region References
Tag management Tags can be added to ApsaraDB for Redis instances, and instances can be classified by tag. 2019-05-14 All regions Create tags

April 2019

Item Description Release date Region References
Private IP address added to a whitelist The private IP addresses of existing ECS instances can be added to a whitelist on the Whitelist Settings page. 2019-04-27 All regions Step 2: Configure whitelists

February 2019

Item Description Release date Region References
Cross-zone migration An ApsaraDB for Redis instance can be migrated across zones in a region. 2019-02-28 All regions Migrate an instance across zones

January 2019

Item Description Release date Region References
Jakarta Zone A and Jakarta Zone B ApsaraDB for Redis is available in Jakarta Zone A and Jakarta Zone B. 2019-01-17 Indonesia (Jakarta) None
Hangzhou Zone H and Hangzhou Zone I ApsaraDB for Redis is available in Hangzhou Zone H and Hangzhou Zone I. 2019-01-10 China (Hangzhou) None