Files
document-haness/docs/keycloak-session-store/final/evidence/raw/a6-latency-injection__01-baseline.txt
T
DongHyeonkaandClaude Opus 5 b2963105a8 docs(keycloak-session-store): import the session-storage lab as a new project
The keycloak project ended with four open questions that design could not
settle. A two-VM lab was built to answer them by measurement, and this is
that material: 26 experiments, 125 raw command outputs, 22 browser captures.

Follows the import procedure in README.md.

  source/     the originating repository verbatim — 78 documents, 28 SVGs,
              8 manifests, plus .source-revision recording the commit
  final/      the SSOT
    document.md   729 lines written from the 29 experiment documents, not
                  concatenated: what was predicted, what was measured, and
                  where the measurement itself was wrong
    evidence/raw    125 outputs, flattened to <experiment>__<file> because
                    the originals collided (01-baseline.txt appeared three
                    times) and the audit only globs the top level
    evidence/meta   one per raw file; command and exitCode are null and the
                    README says why rather than inventing them
    evidence/browser  22 captures
    assets/       three diagrams through techviz
    .techviz/     their VizSpecs

A separate project rather than an addition to keycloak: the B-layer answers
that project's four questions, but the A, C and D layers are about cluster
failure, SSO and operations, and one document.md should hold one subject.
The four question records there can point here through 관계.

Recorded rather than papered over: only three of the 28 diagrams were
remade. The repository forbids hand-drawn SVG and forbids titles inside the
canvas; all 28 originals carry both, so converting them is redrawing, not
reformatting. They stay in source/ and the gap is written into the document.

verify-pipeline.py passes. audit-records.py reports no issues.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-04 22:51:59 +09:00

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=== 배치 — 왜 A/B 가 되는가 ===
postgres 10.42.1.76 (kc-lab-2)
keycloak-0 10.42.1.77 (kc-lab-2) → DB 와 같은 노드, cni0 로 직행
keycloak-1 10.42.0.42 (kc-lab-1) → DB 와 다른 노드, VXLAN 을 건넌다 ← 여기에 지연을 건다
=== 사용 가능한 커넥션 풀 지표 ===
agroal_acquire_count_total
agroal_active_count
agroal_available_count
agroal_awaiting_count
agroal_blocking_time_average_milliseconds
agroal_blocking_time_max_milliseconds
agroal_blocking_time_total_milliseconds
agroal_creation_count_total
agroal_creation_time_average_milliseconds
agroal_creation_time_max_milliseconds
agroal_creation_time_total_milliseconds
agroal_destroy_count_total
=== 기준선 지연 — 각 노드에서 로그인 20회 ===
keycloak-0 평균 70 ms
keycloak-1 평균 66 ms