#redis

Redis "OOM command not allowed when used memory > maxmemory": choose what to do when full

Fix Redis "OOM command not allowed when used memory > maxmemory": read INFO memory, choose an eviction policy, find big keys, set expiry, and raise maxmemory with care.

Intermediate · 3 min read

NOAUTH

Databases

Redis "NOAUTH Authentication required": send the password, the right way for your client

Fix Redis "NOAUTH Authentication required" and WRONGPASS: find the password, send it from redis-cli and your client, set it in a URL, and use ACL users in Redis 6+.

Beginner · 4 min read

MISCONF Redis is configured to save RDB snapshots

Databases

Redis "MISCONF Redis is configured to save RDB snapshots": why writes stopped

Fix Redis MISCONF "unable to persist to disk": read the log, then fix disk space, folder permissions or fork memory — and check the instance was not attacked.

Intermediate · 4 min read