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docs(keycloak-session-store): import the session-storage lab as a new project

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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>
This commit is contained in:
DongHyeonka
2026-09-04 22:51:59 +09:00
co-authored by Claude Opus 5
parent 43bccd08a8
commit b2963105a8
5017 changed files with 372751 additions and 4943 deletions
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docs/keycloak-session-store/final/evidence/raw/a3-database-crash__06-backend-kill-crash.txt
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=== 로그인 루프 시작 ===
8초 후: 112 건
=== 백엔드 프로세스에 SIGKILL → postmaster 가 재초기화한다 ===
시각: 12:04:22.063
최종 성공 로그인: 153 건
=== [검증] crash recovery 가 돌았는가 ===
2026-09-04 02:59:48.427 UTC [1] LOG: database system is ready to accept connections
2026-09-04 03:02:35.807 UTC [1] LOG: server process (PID 40) was terminated by signal 9: Killed
2026-09-04 03:02:35.807 UTC [1] LOG: terminating any other active server processes
2026-09-04 03:02:35.814 UTC [1] LOG: all server processes terminated; reinitializing
2026-09-04 03:02:35.896 UTC [2585] LOG: database system was not properly shut down; automatic recovery in progress
2026-09-04 03:02:35.899 UTC [2585] LOG: redo starts at 0/23CAB68
2026-09-04 03:02:35.904 UTC [2585] LOG: redo done at 0/2529E40 system usage: CPU: user: 0.00 s, system: 0.00 s, elapsed: 0.00 s
2026-09-04 03:02:35.923 UTC [2586] LOG: checkpoint complete: wrote 113 buffers (0.7%); 0 WAL file(s) added, 0 removed, 0 recycled; write=0.004 s, sync=0.004 s, total=0.015 s; sync files=27, longest=0.003 s, average=0.001 s; distance=1405 kB, estimate=1405 kB; lsn=0/252A048, redo lsn=0/252A048
2026-09-04 03:02:35.926 UTC [1] LOG: database system is ready to accept connections