Module lookup_cache 

quick_cache-backed in-memory cache for lookup tables.

Ring 0 — LookupMemoryCache

Synchronous [quick_cache::sync::Cache] with S3-FIFO-style (Clock-PRO) eviction. Checked per-event on the operator hot path — sub-microsecond latency.

RecordBatch clone is Arc bumps only (~16-48ns), within Ring 0 budget.

Structs

LookupCacheKey

Composite cache key: table ID + raw key bytes.

LookupMemoryCache

quick_cache-backed in-memory lookup table cache.

LookupMemoryCacheConfig

Configuration for LookupMemoryCache.