DatabricksSystem Design·60 minMembers
In-Memory KV Cache With WAL
Members only
Design a single-machine in-memory cache for a web service, then add persistence with a write-ahead log and discuss scaling via sharding and lock-contention reduction.
SWE
Infra Eng
in-memory-database
persistence
concurrency
caching
medium
Frequency
Medium
Last asked
2026-07-28
Stage
onsite-system-design
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