Add Redis backend guide for HA metrics aggregation#113
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…A metrics aggregation Signed-off-by: noalimoy <nlimoy@redhat.com>
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What does this PR do?
Add
config/redis/README.md— a deployment, configuration, and verification guide for the Redis-backed DataStore, enabling HA metrics aggregation across multiple IPP replicas.Why is this change needed?
With a single replica, the in-memory DataStore holds the complete picture. Under HA (multiple replicas), each sees only a subset of requests — Scorers make routing decisions on partial data (#79, #85).
This guide documents the Redis backend approach — per-replica keys with TTL, heartbeat/refresh goroutines, and zero network calls on the hot path.
How was this tested?
Documentation-only change. Verified that Redis YAML manifests are valid, code references (
AttributeMap,InflightRequestsCount,Get()/Put()) match merged code onmain, and Helm values align with existingvalues.yamlconventions.Checklist
git commit -s) per DCOmake test)make lint)Related Issues
Refs: #79
Refs: #85