How to “EXPIRE” the “HSET” child key in redis?

Question

I need to expire all keys in redis hash, which are older than 1 month.

Answer 1

This is possible in KeyDB which is a Fork of Redis. Because it's a Fork its fully compatible with Redis and works as a drop in replacement.

Just use the EXPIREMEMBER command. It works with sets, hashes, and sorted sets.

EXPIREMEMBER keyname subkey [time]

You can also use TTL and PTTL to see the expiration

TTL keyname subkey

More documentation is available here: https://docs.keydb.dev/docs/commands/#expiremember