Module l2 

L2 Distributed Cache using Redis

Distributed cache layer with persistence and multi-instance sharing. Target latency: 1-2ms for get/set operations.

Structs

L2Cache

L2 cache implementation using Redis

L2Config

Configuration for L2 cache

Enums

L2Error

L2 cache errors

Functions

create_l2_cache_optional

Helper function to create L2 cache with graceful fallback