Eviction, TTL & Sizing

LRU, LFU, FIFO, ARC, TTLs and jitter, working-set sizing, and hit-rate curves.

0 / 5 solved

Question Tags Difficulty Success

1. Everyone Expires at Once

ttlttl-jitter +1

Easy —

2. The Nightly Sweep

lruworking-set +2

Medium —

3. Twelve References Three Slots

eviction-policylru +2

Medium —

4. Volatile With No TTLs

redismaxmemory-policy +2

Medium —

5. Frequency Without Forgetting

lfueviction-policy +1

Hard —

Learning Resources

Redis, key eviction policies

Up next

5 of 5 questions here are still unsolved.

Next module Invalidation & Cache Consistency