plano/crates/brightstaff
Musa 980faef6be
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Redis-backed session cache for cross-replica model affinity (#879)
* add pluggable session cache with Redis backend

* add Redis session affinity demos (Docker Compose and Kubernetes)

* address PR review feedback on session cache

* document Redis session cache backend for model affinity

* sync rendered config reference with session_cache addition

* add tenant-scoped Redis session cache keys and remove dead log_affinity_hit

- Add tenant_header to SessionCacheConfig; when set, cache keys are scoped
  as plano:affinity:{tenant_id}:{session_id} for multi-tenant isolation
- Thread tenant_id through RouterService, routing_service, and llm handlers
- Use Cow<'_, str> in session_key to avoid allocation when no tenant is set
- Remove unused log_affinity_hit (logging was already inlined at call sites)

* remove session_affinity_redis and session_affinity_redis_k8s demos
2026-04-13 19:30:47 -07:00
..
src Redis-backed session cache for cross-replica model affinity (#879) 2026-04-13 19:30:47 -07:00
Cargo.toml Redis-backed session cache for cross-replica model affinity (#879) 2026-04-13 19:30:47 -07:00