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PCACHE.FLUSH

Last updated 
PCACHE.FLUSH namespace
Group
Prompt cache
Complexity
O(N) where N is the number of entries
Arity
2 (exactly, counting the command name)
Flags
write
Keys
first 1, last 1, step 1
HotKV Cloud
Performance and Scale
On-Premise
requires the prompt-cache license feature

The prompt cache is an exact-match cache for LLM prompt and response pairs, organised in named namespaces. PCACHE.FLUSH empties a namespace. The namespace keeps its settings, so you can store new entries straight away. To remove the namespace itself, use PCACHE.DROP.

Return value

Section titled “Return value”
Case RESP2 RESP3
Always Integer: the number of entries removed (0 for an unknown namespace) Same

Errors:

  • ERR wrong number of arguments for 'pcache.flush' command if the argument count is wrong.
  • NOLICENSE prompt-cache requires a HotKV license. Contact sales@hotkv.com if your license does not include the prompt-cache feature.

Examples

Section titled “Examples”
127.0.0.1:6379> PCACHE.FLUSH llm_prompts
(integer) 42
127.0.0.1:6379> PCACHE.FLUSH llm_prompts
(integer) 0

Compatibility

Section titled “Compatibility”

HotKV-only command. Redis and Valkey have no equivalent.

See also

Section titled “See also”

PCACHE.CREATE, PCACHE.SET, PCACHE.GET, PCACHE.GETEX, PCACHE.DEL, PCACHE.STATS, PCACHE.DROP, PCACHE.LIST, PCACHE.CONFIG, AI features guide