Module multi_tier 

Multi-tier caching backend with automatic promotion.

This module implements a two-tier caching architecture where frequently accessed entries are automatically promoted from a slower L2 cache to a faster L1 cache based on configurable promotion strategies.

Structs

MultiTierBackend

Multi-tier cache backend combining fast L1 and persistent L2.

MultiTierBuilder

Builder for configuring a multi-tier backend.

MultiTierConfig

Configuration for multi-tier caching.

TierStats

Statistics for a cache tier.

Enums

PromotionStrategy

Strategy for promoting entries from L2 to L1.