7 articles in this category
Evictions in production rarely announce themselves with a bang. They creep in as a steady beat: a pod dies here, a VM migrates there, a container gets...
So you need to pick an eviction pattern. Maybe your cache hit ratio tanked last quarter. Maybe you're migrating to a new storage engine. The pressure'...
LRU eviction is everywhere. Redis uses it. Memcached defaults to it. CDN edge caches lean on it. The logic seems bulletproof: when you need room, kick...
Your cache eviction rate is like a check-engine light—sometimes it's a loose gas cap, sometimes a cracked head gasket. In production pipelines, a sudd...
So you're running a cache layer—Redis, Memcached, maybe an in-process LRU map. Things are fine until they're not. One day your p99 latency doubles. Th...
You glance at your dashboard. Eviction rate spiked overnight. The pod count dropped by 12% in three hours. Your first thought: memory pressure. But wh...
Cache evicing sounds mundane—until it takes down your checkout flow. I have seen groups spend days debugging a 5% drop in conversion only to find Redi...