HELLO

Syntax

1. HELLO

Time complexity: O(1)

Provide a contextual client report.

HELLO always replies with a list of current server and connection properties, such as: versions, modules loaded, client ID, replication role and so forth. The reply looks like this:

1. > HELLO
2. 1) "server"
3. 2) "redis"
4. 3) "version"
5. 4) "df-dev"
6. 5) "proto"
7. 6) (integer) 2
8. 7) "id"
9. 8) (integer) 5
10. 9) "mode"
11. 1)  "standalone"
12. 2)  "role"
13. 3)  "master"

Return

Array reply: a list of server properties. The command returns an error if the protover requested does not exist.