This topic provides answers to frequently asked questions about the features of Tair.
Which open source Redis versions are compatible with Tair?
Tair is compatible with multiple open source Redis versions.
Tair DRAM-based instances that are compatible with Redis 6.0: Redis 6.2 and earlier. In addition, this instance series supports the extended data structures of Tair.
Tair DRAM-based instances that are compatible with Redis 5.0: Redis 5.0 and earlier. In addition, this instance series supports the extended data structures of Tair.
Tair persistent memory-optimized instances: Redis 6.0 and earlier. This instance series has limits on specific commands. For more information, see Limits on commands supported by Tair.
Tair ESSD/SSD-based instances: Redis 6.0 and earlier. This instance series has limits on specific commands. For more information, see Limits on commands supported by Tair.
For more information about the Redis commands that are supported by instances of different editions and series, see Overview.
Which open source Redis commands and operations are compatible with Tair?
Tair is compatible with most open source Redis commands and operations but disables a few commands. For more information, see Overview.
What does Tair have to do with Redis?
Tair is a cloud-native, high-performance in-memory database service that is fully compatible with the open source Redis protocol.
You can use any Redis-compatible client to connect to Tair to store data and perform operations on data.
Does a Tair instance have limits on CPU power, data transmission bandwidth, and the number of connections?
Tair instances have limits on CPU power, data transmission bandwidth, and the number of connections. The performance parameters vary based on instance types. For more information, see Overview. You can also view the information on the buy page.