Module cache 

In-memory block cache

Structs

BlockCache

In-memory LRU cache for blocks

CacheStats

Cache statistics

CachedBlockStore

Caching wrapper around a block store

TieredBlockCache

Multi-level cache with hot (L1) and warm (L2) tiers

TieredCacheStats

Statistics for tiered cache

TieredCachedBlockStore

Tiered caching wrapper around a block store