docs: add the prerequisite knowledge this lab assumes

Builds up from HTTP statelessness to why session storage location determines the operational response, so the measurements have context to land in.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
DongHyeonka
2026-09-04 10:24:21 +09:00
co-authored by Claude Opus 5
parent 22d873eb4f
commit 1de6108157
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로드맵 A-0. 이후 모든 장애 실험의 기준선이다.
> **맥락이 안 잡히면 먼저 읽을 것** —
> [`docs/session-lab-prerequisites.md`](session-lab-prerequisites.md).
> 왜 세션이 문제가 되는지, Keycloak이 세션을 어디에 두는지, 그래서 이 실험이
> 무엇을 가르려는 것인지를 바닥부터 세워둔 문서다.
- 실행 스크립트 — [`deploy/lab/scripts/experiment-session-replication.sh`](../deploy/lab/scripts/experiment-session-replication.sh),
[`experiment-cache-replication-delta.sh`](../deploy/lab/scripts/experiment-cache-replication-delta.sh),
[`experiment-cache-ownership.sh`](../deploy/lab/scripts/experiment-cache-ownership.sh),