Get All Keys in Redis Cluster
I Am Using Redis Cluster Version Redis-5.0.5. I Want to See All the Keys Present in My Redis Cluster. I Know for Standalone We Use Keys * to Get All the Keys...
I am using Redis cluster version redis-5.0.5. I want to see all the keys present in my Redis cluster. I know for standalone we use KEYS * to get all the keys.
what is the way to see all keys in Redis cluster?
$ redis-cli -h hostname -p 90001 -c
hostname:90001> KEYS *
(empty list or set)
// I have data on my cluster
2 Answers
Basically, you'd need to run KEYS * (not in production, please!) on every one of the nodes. The cli can do this with the '--cluster call' command, like so:
redis-cli --cluster call hostname:90001 KEYS "*"
The SCAN command may be what you're looking for, but it's O(N) so the more keys you have, the slower it's going to be. Also, check out this answer by Marc Gravell for another approach using sets: Get values by key pattern in StackExchange.Redis
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