If you receive an error message when you use Tair (Redis OSS-compatible), you can refer to the list of Tair (Redis OSS-compatible) error codes to view the detailed information about the message. For other issues, you can refer to the following topics for troubleshooting.
Features
What versions of Redis are compatible with Tair (Redis OSS-compatible)?
What commands and operations of Redis are compatible with Tair (Redis OSS-compatible)?
What is the relationship between Tair (Redis OSS-compatible) and Redis?
What is the maximum number of databases that a single Tair instance can have?
Does Tair support failovers between master and replica nodes?
Redis CSRF vulnerability analysis and security policies of Tair
What is the difference between Tair cluster instances and open source Redis clusters?
Networks and connections
Does Tair (Redis OSS-compatible) support common Redis clients such as Jedis?
Do I need to install a Redis client on an ECS instance to connect to Tair instances?
Do I need to use a password to connect to a Tair (Redis OSS-compatible) instance?
How do I troubleshoot connection issues caused by failed DNS resolution?
How do I use the telnet command to test connectivity to the port used by Tair?
How do I run the PING command to check the connection between an ECS instance and a Tair instance?
How do I check whether an ECS instance and a Redis instance are of the same network type?
Why cannot I select an existing vSwitch when I create a Redis instance?
Databases
Database usage
How much memory can each database in a Tair instance use? How do I switch between databases?
Why is strong consistency not ensured among master and replica nodes?
Do I need to modify application code after I upgrade a standard instance to a cluster instance?
How do I query the data node and slot to which a key belongs?
Why am I unable to change the configurations of a classic (local disk-based) cluster instance?
Performance and monitoring
Why is the reported memory usage of a instance different from the monitored memory usage?
How do I resolve the sudden increase in memory usage of a Tair instance?
How do I query large keys in a Tair (Redis OSS-compatible) instance?
How do I view information about each shard of a Tair cluster instance?
How do I view the performance metrics of nodes in a Tair cluster instance?
How do I view information about each shard of a Tair cluster instance?
Persistence
Parameter settings
Expiration policies