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Redis
Redis
8 practice items · needed by 2 roles
Easy
1
Medium
4
Hard
3
Practice questions
Redis TTL after SET with EX
easy
Cache-aside pattern
medium
Redis structure for a leaderboard
medium
Keeping a cached price fresh
medium
Stale value returns after cache delete
hard
Rate limiter that does not limit
medium
Keeping a cache in sync
hard
Cache expiry takes down the database
hard
