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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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<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="2240" viewBox="0 0 1200 2240" role="img">
<title>terminal evidence</title>
<desc>Terminal-style rendering generated from retained command output. Sensitive-looking values are redacted in the visual asset.</desc>
<rect x="1" y="1" width="1198" height="2238" rx="14" fill="#0d1117" stroke="#30363d"/>
<rect x="1" y="1" width="1198" height="44" rx="14" fill="#161b22"/>
<rect x="1" y="30" width="1198" height="14" fill="#161b22"/>
<circle cx="24" cy="22" r="6" fill="#ff5f57"/>
<circle cx="44" cy="22" r="6" fill="#febc2e"/>
<circle cx="64" cy="22" r="6" fill="#28c840"/>
<text x="92" y="27" fill="#8b949e" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace">terminal evidence</text>
<text x="24" y="68" fill="#c9d1d9" font-size="15" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">$ Q=adapter/outbound/persistence-jpa/src/main/java/dev/caskeleton/adapter/outbound/persistence/fileserver/JpaRecoveryQue</tspan><tspan x="24" dy="22">ue.java
R=adapter/outbound/persistence-jpa/src/main/java/dev/caskeleton/adapter/outbound/persistence/fileserver/reposito</tspan><tspan x="24" dy="22">ry/FileserverRecoveryRepository.java
V=adapter/outbound/persistence-jpa/src/main/resources/db/migration/jpa/fileserver/V</tspan><tspan x="24" dy="22">2__fileserver_recovery_and_staging_cleanup.sql
E=adapter/outbound/persistence-jpa/src/main/java/dev/caskeleton/adapter/o</tspan><tspan x="24" dy="22">utbound/persistence/fileserver/entity/RecoveryItemEntity.java
T=adapter/outbound/persistence-jpa/src/main/java/dev/caske</tspan><tspan x="24" dy="22">leton/adapter/outbound/persistence/transaction/SpringTransactionPort.java
echo &#x27;# javadoc 은 넣기를 upsert 로 정의한다&#x27;</tspan><tspan x="24" dy="22">
grep -n &#x27;&#x27; &quot;$Q&quot; | sed -n &#x27;19,22p&#x27;
echo &#x27;# 저장소 javadoc 은 최신 이유가 이긴다고 적는다&#x27;
grep -n &#x27;&#x27; &quot;$R&quot; | sed -n &#x27;24,3</tspan><tspan x="24" dy="22">0p&#x27;
echo
echo &#x27;# 구현은 갱신하고, 0 이면 저장한다&#x27;
grep -n &#x27;&#x27; &quot;$Q&quot; | sed -n &#x27;42,50p&#x27;
echo &#x27;# 그 저장이 persist 로 갈</tspan><tspan x="24" dy="22">지 merge 로 갈지 정하는 것&#x27;
echo -n &#x27;# 엔티티의 @Version 필드: &#x27;
grep -c &#x27;@Version&#x27; &quot;$E&quot;
echo -n &#x27;# Persistable </tspan><tspan x="24" dy="22">구현: &#x27;
grep -c &#x27;Persistable&#x27; &quot;$E&quot;
echo
echo &#x27;# 데이터베이스가 파일당 열린 항목을 하나로 강제한다&#x27;
grep -n -B1 -A3 &#x27;CRE</tspan><tspan x="24" dy="22">ATE UNIQUE INDEX uq_fs_recovery_open&#x27; &quot;$V&quot;
echo
echo &#x27;# 호출자가 실제로 받는 예외&#x27;
grep -n -A9 &#x27;private &lt;T&gt; T executeLe</tspan><tspan x="24" dy="22">gacy&#x27; &quot;$T&quot;
grep -n &#x27;&quot;23505&quot;&#x27; adapter/outbound/persistence-jpa/src/main/java/dev/caskeleton/adapter/outbound/persistence/</tspan><tspan x="24" dy="22">failure/StandardSqlStateErrorMapping.java
echo
echo &#x27;# 이 넣기를 부르는 프로덕션 코드와 그 경계&#x27;
grep -rn &#x27;recoveryQueu</tspan><tspan x="24" dy="22">e\.enqueue(&#x27; --include=*.java --exclude-dir=build . | grep &#x27;/main/&#x27; | sed &#x27;s|^\./||&#x27;
sed -n &#x27;318,326p&#x27; application-core/</tspan><tspan x="24" dy="22">src/main/java/dev/caskeleton/application/fileserver/upload/DefaultFinalizeUploadService.java
echo -n &#x27;# 조정 쪽 진입점</tspan><tspan x="24" dy="22">을 부르는 프로덕션 코드: &#x27;
grep -rn &#x27;reconcileRecoverable(&#x27; --include=*.java --exclude-dir=build . | grep &#x27;/main/&#x27; | gre</tspan><tspan x="24" dy="22">p -vc &#x27;FileReconciliationService.java\|DefaultFileReconciliationService.java&#x27;
echo &#x27;# 조정이 집어 올리는 대상의 조건&#x27;
</tspan><tspan x="24" dy="22">grep -n &#x27;STALE_AFTER&#x27; application-core/src/main/java/dev/caskeleton/application/fileserver/recovery/DefaultFileReconcili</tspan><tspan x="24" dy="22">ationService.java
echo
echo &#x27;# 같은 저장소가 승패를 데이터베이스에 물어보는 자리&#x27;
grep -rn &#x27;ON CONFLICT&#x27; --include=*.ja</tspan><tspan x="24" dy="22">va --include=*.sql --exclude-dir=build . | grep -i &#x27;do nothing&#x27; | sed &#x27;s|^\./||&#x27; | head -3</tspan></text>
<text x="24" y="508" fill="#8b949e" font-size="13" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">cwd: /shared/codebase/clean-architecture-backend-template/src</tspan></text>
<text x="24" y="530" fill="#8b949e" font-size="13" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">time: 2026-09-02T05:03:14+00:00 · exit 0</tspan></text>
<line x1="24" y1="544" x2="1176" y2="544" stroke="#30363d"/>
<text x="24" y="584" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># javadoc 은 넣기를 upsert 로 정의한다</tspan></text>
<text x="24" y="606" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">19: * &lt;p&gt;An enqueue is an upsert: the same file reported twice updates the open item rather than adding</tspan></text>
<text x="24" y="628" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">20: * a second one. Reconciliation runs on a schedule and re-raises whatever it still cannot settle, so</tspan></text>
<text x="24" y="650" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">21: * an append-only queue would grow one row per sweep per unresolved file and bury the distinct</tspan></text>
<text x="24" y="672" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">22: * problems under repetitions of the same one.</tspan></text>
<text x="24" y="694" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 저장소 javadoc 은 최신 이유가 이긴다고 적는다</tspan></text>
<text x="24" y="716" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">24: /**</tspan></text>
<text x="24" y="738" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">25: * Re-raises an open item instead of adding a second one.</tspan></text>
<text x="24" y="760" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">26: *</tspan></text>
<text x="24" y="782" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">27: * &lt;p&gt;Reconciliation is retried on a schedule, so the same file reaches the queue repeatedly. One</tspan></text>
<text x="24" y="804" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">28: * open item per file keeps the queue a worklist rather than a failure log; the newest reason wins</tspan></text>
<text x="24" y="826" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">29: * because it describes the most recent evidence.</tspan></text>
<text x="24" y="848" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">30: */</tspan></text>
<text x="24" y="870" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"></tspan></text>
<text x="24" y="892" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 구현은 갱신하고, 0 이면 저장한다</tspan></text>
<text x="24" y="914" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">42: @Override</tspan></text>
<text x="24" y="936" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">43: public void enqueue(FileId fileId, String reasonCode) {</tspan></text>
<text x="24" y="958" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">44: Instant now = clock.instant();</tspan></text>
<text x="24" y="980" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">45: if (items.refreshPending(fileId.value(), reasonCode, now) &gt; 0) {</tspan></text>
<text x="24" y="1002" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">46: return;</tspan></text>
<text x="24" y="1024" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">47: }</tspan></text>
<text x="24" y="1046" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">48: items.save(</tspan></text>
<text x="24" y="1068" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">49: new RecoveryItemEntity(UUID.randomUUID(), fileId.value(), reasonCode, STATUS_PENDING, now));</tspan></text>
<text x="24" y="1090" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">50: }</tspan></text>
<text x="24" y="1112" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 그 저장이 persist 로 갈지 merge 로 갈지 정하는 것</tspan></text>
<text x="24" y="1134" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 엔티티의 @Version 필드: 0</tspan></text>
<text x="24" y="1156" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># Persistable 구현: 0</tspan></text>
<text x="24" y="1178" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"></tspan></text>
<text x="24" y="1200" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 데이터베이스가 파일당 열린 항목을 하나로 강제한다</tspan></text>
<text x="24" y="1222" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">52--- At most one open item per file: the queue is a worklist, not a log of every sweep.</tspan></text>
<text x="24" y="1244" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">53:CREATE UNIQUE INDEX uq_fs_recovery_open</tspan></text>
<text x="24" y="1266" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">54- ON fs_recovery_item (file_id)</tspan></text>
<text x="24" y="1288" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">55- WHERE status = &#x27;PENDING&#x27;;</tspan></text>
<text x="24" y="1310" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">56-</tspan></text>
<text x="24" y="1332" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"></tspan></text>
<text x="24" y="1354" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 호출자가 실제로 받는 예외</tspan></text>
<text x="24" y="1376" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">195: private &lt;T&gt; T executeLegacy(TransactionTemplate template, Supplier&lt;T&gt; action) {</tspan></text>
<text x="24" y="1398" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">196- try {</tspan></text>
<text x="24" y="1420" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">197- return template.execute(status -&gt; action.get());</tspan></text>
<text x="24" y="1442" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">198- } catch (RuntimeException failure) {</tspan></text>
<text x="24" y="1464" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">199- throw exceptionTranslator</tspan></text>
<text x="24" y="1486" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">200- .translate(failure)</tspan></text>
<text x="24" y="1508" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">201- .map(RuntimeException.class::cast)</tspan></text>
<text x="24" y="1530" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">202- .orElse(failure);</tspan></text>
<text x="24" y="1552" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">203- }</tspan></text>
<text x="24" y="1574" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">204- }</tspan></text>
<text x="24" y="1596" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">20: &quot;23505&quot;, OperationalError.DB_UNIQUE_VIOLATION,</tspan></text>
<text x="24" y="1618" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"></tspan></text>
<text x="24" y="1640" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 이 넣기를 부르는 프로덕션 코드와 그 경계</tspan></text>
<text x="24" y="1662" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">application-core/src/main/java/dev/caskeleton/application/fileserver/upload/DefaultFinalizeUploadService.java:323: re</tspan><tspan x="24" dy="22">coveryQueue.enqueue(verifying.fileId(), &quot;READY_COMMIT_UNCONFIRMED&quot;);</tspan></text>
<text x="24" y="1706" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">application-core/src/main/java/dev/caskeleton/application/fileserver/recovery/DefaultFileReconciliationService.java:220: </tspan><tspan x="24" dy="22"> recoveryQueue.enqueue(record.fileId(), reasonCode);</tspan></text>
<text x="24" y="1750" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> } catch (RuntimeException exception) {</tspan></text>
<text x="24" y="1772" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> // The object is on the volume and the record does not say so — the definition of an ambiguous</tspan></text>
<text x="24" y="1794" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> // completion. Enqueued in its own boundary, because the one that failed took nothing with it.</tspan></text>
<text x="24" y="1816" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> transactions.inWrite(</tspan></text>
<text x="24" y="1838" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> () -&gt; {</tspan></text>
<text x="24" y="1860" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> recoveryQueue.enqueue(verifying.fileId(), &quot;READY_COMMIT_UNCONFIRMED&quot;);</tspan></text>
<text x="24" y="1882" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> });</tspan></text>
<text x="24" y="1904" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> throw new AmbiguousCompletionException(</tspan></text>
<text x="24" y="1926" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"> &quot;content was published but the READY commit could not be confirmed&quot;,</tspan></text>
<text x="24" y="1948" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 조정 쪽 진입점을 부르는 프로덕션 코드: 0</tspan></text>
<text x="24" y="1970" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 조정이 집어 올리는 대상의 조건</tspan></text>
<text x="24" y="1992" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">27: private static final Duration STALE_AFTER = Duration.ofMinutes(5);</tspan></text>
<text x="24" y="2014" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">71: clock.instant().minus(STALE_AFTER),</tspan></text>
<text x="24" y="2036" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"></tspan></text>
<text x="24" y="2058" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0"># 같은 저장소가 승패를 데이터베이스에 물어보는 자리</tspan></text>
<text x="24" y="2080" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">application-core/src/main/java/dev/caskeleton/application/notification/platform/dispatch/NotificationRequestInsertOutcome.java:1</tspan><tspan x="24" dy="22">6: * anything: {@code ON CONFLICT DO NOTHING RETURNING} returns a row when the caller won and no rows</tspan></text>
<text x="24" y="2124" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">messaging/messaging-inbox-jdbc-postgresql/src/main/java/dev/caskeleton/messaging/inbox/JdbcInboxRepository.java:20: * &lt;p&gt;Reserva</tspan><tspan x="24" dy="22">tion is an {@code INSERT ... ON CONFLICT DO NOTHING} whose affected-row count is the</tspan></text>
<text x="24" y="2168" fill="#e6edf3" font-size="14" font-family="ui-monospace, SFMono-Regular, Menlo, Consolas, monospace" xml:space="preserve"><tspan x="24" dy="0">messaging/messaging-inbox-jdbc-postgresql/src/main/java/dev/caskeleton/messaging/inbox/JdbcInboxRepository.java:36: ON CONF</tspan><tspan x="24" dy="22">LICT (message_id, consumer_id) DO NOTHING</tspan></text>
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