Billi Redis taħżen id-data f'RAM, l-ġestjoni tal-memorja hija kritika — il-fehim tal-limitu maxmemory, il-politiki tal-evizzjoni, l-ottimizzazzjoni tal-memorja, u l-monitoraġġ huma essenzjali għall-korsija tal-Redis b'mod affidabbli mingħajr ma jippruvaw il-memorja.
maxmemory u l-evizzjoni
Set a memory limit so Redis doesn't consume all RAM:
maxmemory 2gb # cap Redis at 2GB
maxmemory-policy allkeys-lru # what to do when the limit is reached
When the limit is hit, Redis EVICTS keys per the policy (or rejects writes):
allkeys-lru → evict least-recently-used (any key) — common for a pure cache
allkeys-lfu → evict least-frequently-used
volatile-lru → evict LRU among keys WITH a TTL only
volatile-ttl → evict keys closest to expiry
noeviction → reject writes when full (good if Redis holds important data)
