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document-haness/docs/keycloak-session-store/final/evidence/raw/a3-database-crash__02-design-check.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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deployment "postgres" successfully rolled out
=== crash recovery 가 실행되었는가 (강제 종료의 흔적) ===
2026-09-04 02:58:41.036 UTC [1] LOG: database system is ready to accept connections
=== [설계 확인] 로그인 트랜잭션도 synchronous_commit 을 끄는가 ===
--- 로그인 트랜잭션 (INSERT 가 있는 것) ---
2:BEGIN
5:COMMIT
6:BEGIN
9:insert into OFFLINE_USER_SESSION (BROKER_SESSION_ID,CREATED_ON,DATA,LAST_SESSION_REFRESH,REALM_ID,REMEMBER_ME,USER_ID,VERSION,OFFLINE_FLAG,USER_SESSION_ID) values ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10)
10:insert into OFFLINE_CLIENT_SESSION (DATA,REALM_ID,TIMESTAMP,VERSION,CLIENT_ID,CLIENT_STORAGE_PROVIDER,EXTERNAL_CLIENT_ID,OFFLINE_FLAG,USER_SESSION_ID) values ($1,$2,$3,$4,$5,$6,$7,$8,$9)
11:SET LOCAL synchronous_commit TO OFF
12:COMMIT