TeamIn
System Design
TTL Expiration And Cache Reapers
Sign in
Back to Archive
FREE · TOPIC 228
TTL Expiration And Cache Reapers
489 words
·
Updated 2026-07-18
·
#system-design
#caching
#ttl
#storage-engines
Accompanying Lab
TTL Cache Reaper
An in-memory TTL cache that stores absolute expiry timestamps, enforces lazy expiration on reads, and reclaims memory with active sweeps.
View Lab
Primary References & Engineering Sources
·
[[wiki/arpit-storage-engines-i]]
← Previous Topic
Top-K Heavy Hitters
Next Topic →
Vector Search And Hybrid Retrieval