DongHyeonkaandClaude Opus 5
b2963105a8
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>
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kind, slug, title, topic, project, status, sourceRevision, rootTreeNode, evidenceCapturedOn, assets, evidence, source, module
| kind | slug | title | topic | project | status | sourceRevision | rootTreeNode | evidenceCapturedOn | assets | evidence | source | module | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CONCEPT | grpc-admin-c02 | 배수 순서 | delivery-and-settlement-models | clean-architecture-backend-template | 게시 전 | 21234e38cdb9a926cbc92bb97a2aee2e4a7d2916 | concept:grpc-admin-c02 | 2026-09-01 |
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grpc-admin |
배수 순서
beginDrain 이 앞의 둘을 한 번에 수행하고, 그 전에 rejectNewAdmission 을 부르면 던진다. 조정자는 잠들지 않는다.
본문
배수 순서가 여섯 단계로 고정돼 있다.
READINESS_FALSE → HEALTH_DRAINING → REJECT_NEW_ADMISSION → DRAIN_UNARY → SIGNAL_STREAMS → FORCE_CANCEL
beginDrain 이 앞의 둘을 한 번에 한다
그 전에 rejectNewAdmission 을 부르면 던진다.
"refusing calls before readiness has flipped produces errors for traffic that routing is still sending"
이 기록이 다루는 범위
:::evidence key="grpc-admin-c02" alt="코드베이스에서 파일 목록을 만든 출력 13줄. 이 기록이 다루는 범위가 그 목록이다." caption="코드베이스 파일 목록 — 13줄 · exit 0" zoom="true" :::
조정자는 잠들지 않는다
"It is given the current moment and the counts, and returns whether the phase is done; the waiting belongs to the caller, which is what makes every branch of this testable without a clock."
예산은 누적이다
스트림 신호 완료 판정이 unaryDrainBudget + streamSignalBudget 을 기준으로 한다.