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>
220 lines
19 KiB
Plaintext
220 lines
19 KiB
Plaintext
Sub-scope 05 (cache-redis) sdk/lettuce/{command,connection,codec,observability} — manifest and probes
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revision=a24ece9cf797f7ea647e33bf846b115208ed1ba5
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generatedAt=2026-08-30T04:47:40+00:00
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=== OWNED FILES ===
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ba89d938899ab92cf3c4d45facfea03dee1368c8 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/codec/ByteArrayCodec.java 38
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2dc49adbd86e934e3fc66a6c7abd50b63afbf1d5 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/codec/DoubleCodec.java 57
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32a4a8acb6f48d36deb7727532f4d4261685094c main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/codec/JsonEnvelopeFraming.java 206
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89d996cd317067144f662ac11bd2dc284722ccbf main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/codec/LongCodec.java 56
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77f6e2e5cf3ce677e40041c3f9c7547b170d77a1 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/codec/RedisCodecRegistry.java 203
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68e4685bae9138b285c1d4d857dc973a4e88f79a main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/codec/Utf8StringCodec.java 39
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fa5ffcfc22983ade442f48a47f50fe0ddc43cb9f main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/codec/VersionedJsonCodec.java 106
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7a2f709f6deba7a8e22d33edd77887c7c20a353a main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/CommandAdmission.java 32
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fa34b73b14534f84b549177ca99f75a26b918700 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/CommandExecutionContext.java 156
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70d9570303805749615e76cc4d2c488dd367ae45 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/CommandPolicyGuard.java 278
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41098f8de3bf0c10ed8abdce07f9b106372a50be main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/CommandRequest.java 87
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a55e4fd3b6a1cc3d140ab37179c777676909759e main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/ExecutionCertainty.java 43
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e5228fcf891ed04864d190c4b6dc8c0275fa1866 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/LettuceExceptionTranslator.java 234
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f3134a239b1b77c674c9f612af9e8bf64d64c4b1 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/QueueingRedisCommandExecutor.java 134
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7e51cf05ea83b97191474a44c4652380358e8554 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/ReactiveRedisCommandExecutor.java 88
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b9e63268abe98778298e62faaeda66c7d8739180 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandCatalog.java 136
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a5e60cab2033eadb33a69cfd309568a353c87e42 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiff.java 145
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18bb7d816ea6e088d6730b37a0e7ac808197dd2d main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandPolicy.java 95
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1a64df2654ff5f22b787c92a9eb8d9934946ef73 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandPolicyLoader.java 268
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e54187b76418ed537f77f11c37c34ccf0c2b768e main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisServerCommandMetadata.java 29
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977f8e89a52ba9c3b62be4b6f1da677d520bd60e main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/SyncRedisCommandExecutor.java 100
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0def0f4aee46a15ec87343cb2b2ba120ee0f1ae6 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/RedisConnectionKind.java 75
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6fc28d3e46dedab9e8314ed18af6eda412d0ab59 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/RedisConnectionLease.java 28
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6d74f61bb9be6537da97574027af6e8d7bcc7966 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/RedisConnectionRegistry.java 142
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ff404b80d826bb2c50fcdc3b4477c6b0dca19a39 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/RedisCredentialRole.java 32
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850e71b4410735b9169ba12760c1095979244872 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/RedisLease.java 44
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84a9b13cc707d13e0b627a03aa55af9fe61c6d87 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/RedisRuntimeClient.java 83
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bbb465c6bfd766bdcd2bf5c8156b7fd6ba996670 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/RedisRuntimeOwner.java 316
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d4d23ae941e401f1da4ce515210346f335dbb000 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/RedisTopologyClientFactory.java 600
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1e3f37c50fc407b67a9f67bab5ae1c3b1f138f0d main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/SentinelFailoverObserver.java 153
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29749551acb95daae4c8a38f89af5f0cf4490c12 main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/observability/NoThrowObservationSink.java 88
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d9fa4a2c8ebe4bd89d2f845cc4c2158671a4e25f main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/observability/RedisObservation.java 203
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443eef8d46a40284bf563109d0f61eb40112065d test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/codec/RedisCodecRegistryTest.java 94
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5e5d6d76496bd95eab31cc857e80c7da2a12301b test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/codec/VersionedJsonCodecTest.java 216
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fbe267c5fa2d90a95e91263bf819211ec68752b4 test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/CommandPolicyGuardTest.java 368
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917f7e0656a54da796c2dc2557a2972d0fd6fa8a test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/LettuceExceptionTranslatorTest.java 138
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af77d26f91f6b5bc4abb8cc88dd0019b3b359151 test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/ObservationIsolationTest.java 147
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cfb95d32b43012a9630855b2d990c7f1dcf9141a test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiffTest.java 119
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7e23f55e3acde280f5e1ef52e581588b3663b22d test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandPolicyLoaderTest.java 199
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8e41ef7b84ef71971e1a90d6a7cfdd91eea38f8b test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/RedisConnectionRegistryTest.java 100
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cd5253c6f86b78453909dad203560f821094843f test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/RedisRuntimeOwnerTest.java 238
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dcb70191c7df1fc78ea25a95dbf6eb40eddf44de test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/SentinelFailoverObserverTest.java 109
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daf77cad4cf7fead3f9a6fd5817000c4893f350c test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/observability/RedisObservationTest.java 108
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1e14e4c319fe43d940b2ea66595800df458af277 test/resources/redis-sdk/golden/order-summary-v1.json 0
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main: 32 test: 11 resource: 1
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=== 8.1 reachability: 이 sub-scope 타입들의 production 소비자 ===
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CommandPolicyGuard: main 참조 파일 17
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RedisCommandCatalog: main 참조 파일 4
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RedisCommandPolicyLoader: main 참조 파일 1
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RedisCommandMetadataDiff: main 참조 파일 0
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SentinelFailoverObserver: main 참조 파일 0
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RedisConnectionRegistry: main 참조 파일 1
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QueueingRedisCommandExecutor: main 참조 파일 1
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RedisCodecRegistry: main 참조 파일 0
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NoThrowObservationSink: main 참조 파일 3
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$ git grep -n 'SentinelFailoverObserver' -- 'adapter/outbound/cache-redis/src' | grep -v 'connection/SentinelFailoverObserver.java'
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/SentinelFailoverObserverTest.java:20:class SentinelFailoverObserverTest {
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/SentinelFailoverObserverTest.java:29: SentinelFailoverObserver observer = new SentinelFailoverObserver(16);
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/SentinelFailoverObserverTest.java:40: SentinelFailoverObserver observer = new SentinelFailoverObserver(16);
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/SentinelFailoverObserverTest.java:50: SentinelFailoverObserver observer = new SentinelFailoverObserver(16);
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/SentinelFailoverObserverTest.java:67: SentinelFailoverObserver observer = new SentinelFailoverObserver(2);
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/SentinelFailoverObserverTest.java:81: SentinelFailoverObserver observer = new SentinelFailoverObserver(4);
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/connection/SentinelFailoverObserverTest.java:90: assertThatThrownBy(() -> new SentinelFailoverObserver(0))
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/operations/LiveRedisSentinelPromotionTest.java:15:import dev.caskeleton.adapter.outbound.cache.redis.sdk.lettuce.connection.SentinelFailoverObserver;
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/operations/LiveRedisSentinelPromotionTest.java:40: * <p>The unit suite can prove that {@link SentinelFailoverObserver} counts what it is told and that
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/operations/LiveRedisSentinelPromotionTest.java:105: private static SentinelFailoverObserver observer;
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/operations/LiveRedisSentinelPromotionTest.java:146: observer = new SentinelFailoverObserver(1_000);
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exit=0
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$ git grep -n 'RedisCommandMetadataDiff' -- 'adapter/outbound/cache-redis/src' | grep -v 'command/RedisCommandMetadataDiff.java'
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiffTest.java:12:class RedisCommandMetadataDiffTest {
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiffTest.java:19: RedisCommandMetadataDiff diff =
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiffTest.java:20: RedisCommandMetadataDiff.compare(
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiffTest.java:35: RedisCommandMetadataDiff diff =
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiffTest.java:36: RedisCommandMetadataDiff.compare(
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiffTest.java:51: RedisCommandMetadataDiff diff =
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiffTest.java:52: RedisCommandMetadataDiff.compare(
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiffTest.java:65: RedisCommandMetadataDiff diff =
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiffTest.java:66: RedisCommandMetadataDiff.compare(
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiffTest.java:78: RedisCommandMetadataDiff diff =
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiffTest.java:79: RedisCommandMetadataDiff.compare(
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiffTest.java:91: RedisCommandMetadataDiff diff =
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandMetadataDiffTest.java:92: RedisCommandMetadataDiff.compare(
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exit=0
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=== 8.2 sync/reactive 실행자가 같은 guard 경로를 지나는가 ===
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$ grep -n 'guard\|admission\|translator\|observationSink' adapter/outbound/cache-redis/src/main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/SyncRedisCommandExecutor.java | head -20
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17: * Synchronous execution of a guarded command.
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25: private final CommandPolicyGuard guard;
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26: private final LettuceExceptionTranslator translator;
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28: private final Consumer<RedisObservation> observationSink;
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33: * @param guard the admission guard
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34: * @param translator the driver failure translator
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36: * @param observationSink receives one completed observation per execution
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39: CommandPolicyGuard guard,
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40: LettuceExceptionTranslator translator,
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42: Consumer<RedisObservation> observationSink) {
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43: this.guard = Objects.requireNonNull(guard, "guard must be non-null");
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44: this.translator = Objects.requireNonNull(translator, "translator must be non-null");
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47: this.observationSink = NoThrowObservationSink.wrap(observationSink);
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51: * Executes a guarded command and waits for its result.
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56: * @throws RedisOperationException when the guard refuses the command or the driver fails
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60: CommandAdmission admission = guard.validate(request);
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63: admission.descriptor(), admission.connectionKind(), deploymentMode, admission.slot());
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66: // Only the Redis call is inside the guarded region. Recording the success used to sit here too,
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70: result = await(request.invocation().get(), admission.timeout());
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73: translator.translate(failure, context(admission, startedAt));
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exit=0
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$ grep -n 'guard\|admission\|translator\|observationSink' adapter/outbound/cache-redis/src/main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/ReactiveRedisCommandExecutor.java | head -20
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13: * Reactive execution of a guarded command.
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21: private final CommandPolicyGuard guard;
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22: private final LettuceExceptionTranslator translator;
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24: private final Consumer<RedisObservation> observationSink;
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29: * @param guard the admission guard
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30: * @param translator the driver failure translator
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32: * @param observationSink receives one completed observation per execution
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35: CommandPolicyGuard guard,
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36: LettuceExceptionTranslator translator,
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38: Consumer<RedisObservation> observationSink) {
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39: this.guard = Objects.requireNonNull(guard, "guard must be non-null");
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40: this.translator = Objects.requireNonNull(translator, "translator must be non-null");
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46: this.observationSink = NoThrowObservationSink.wrap(observationSink);
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50: * Executes a guarded command.
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60: CommandAdmission admission = guard.validate(request);
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63: admission.descriptor(),
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64: admission.connectionKind(),
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66: admission.slot());
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69: .timeout(admission.timeout())
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70: .doOnSuccess(result -> observationSink.accept(observation.succeeded(0)))
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exit=0
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=== 8.3 정책 이름 교차 검사 (sub-scope 04 §37 이월 확정) ===
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$ grep -n 'everyAdvancedCommandDeclaresThePermitPolicyItRequires' -A 10 adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandPolicyLoaderTest.java
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114: void everyAdvancedCommandDeclaresThePermitPolicyItRequires() {
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115- loader.loadDefault().values().stream()
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116- .filter(policy -> policy.support() == CommandSupport.ADVANCED_TYPED)
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117- .forEach(
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118- policy ->
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119- assertThat(policy.requiredPolicyName())
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120- .as("command '%s'", policy.commandId())
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121- .isPresent());
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122- }
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123-
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124- @Test
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exit=0
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$ git grep -n 'RedisOperationContext' -- 'adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command'
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adapter/outbound/cache-redis/src/test/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/CommandPolicyGuardTest.java:229: // RedisOperationContext.requireReplyWithinBudget, and is covered against real replies by the
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exit=0
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=== 8.4 정책 문서의 필드 목록 대 loader가 받는 필드 ===
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$ grep -n 'private static final Set<String> FIELDS' -A 15 adapter/outbound/cache-redis/src/main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/RedisCommandPolicyLoader.java
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39: private static final Set<String> FIELDS =
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40- Set.of(
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41- "minimum-version",
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42- "risk",
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43- "support",
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44- "access",
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45- "blocking",
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46- "optional-block",
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47- "read-only",
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48- "retry-safe",
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49- "may-be-ambiguous",
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50- "timeout-profile",
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51- "key-spec",
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52- "required-policy");
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53-
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54- /**
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exit=0
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$ sed -n '7,19p' adapter/outbound/cache-redis/src/main/resources/redis-sdk/redis-command-policy.yml
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# Fields and their defaults:
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# risk required R1 | R2 | R3 | R4
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# support required TYPED | ADVANCED_TYPED | RAW_ONLY | ADMIN_ONLY | VERSION_GATED | BLOCKED
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# minimum-version "7.2" lowest server version that carries the command
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# access derived TYPED->APPLICATION, ADVANCED_TYPED/VERSION_GATED->APPLICATION_ADVANCED,
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# RAW_ONLY->RAW_GATEWAY, ADMIN_ONLY->ADMIN_READONLY, BLOCKED->NONE
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# blocking false occupies its connection until the server replies or the block expires
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# read-only false never mutates the dataset
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# retry-safe read-only may be retried after a failure that could have reached the server
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# may-be-ambiguous !read-only a failure may leave the outcome unknown
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# timeout-profile derived R1->FAST, R2->COLLECTION, R3->ADMIN, blocking->BLOCKING
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# key-spec "1 1 1" "<first> <last> <step>", "none", or "movable"
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# required-policy - permit policy name an R2 command demands
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exit=0
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$ grep -n 'optional-block' adapter/outbound/cache-redis/src/main/resources/redis-sdk/redis-command-policy.yml
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666: optional-block: true
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673: optional-block: true
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exit=0
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=== 8.4b 관측: 태그 집합이 닫혀 있는가 ===
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$ grep -n 'Set.of\|TAG\|tags()' adapter/outbound/cache-redis/src/main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/observability/RedisObservation.java | head -20
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exit=0
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=== 8.4c 제거된 중복 mechanism의 흔적 ===
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$ grep -n 'validateReply' -B 2 -A 10 adapter/outbound/cache-redis/src/main/java/dev/caskeleton/adapter/outbound/cache/redis/sdk/lettuce/command/CommandPolicyGuard.java
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107- }
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108-
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109: // There is deliberately no validateReply(...) here.
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110- //
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111- // This class used to carry one, and nothing called it. Reply budgets were — and are — enforced by
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112- // RedisOperationContext.requireReplyWithinBudget, which the typed operations call at the point
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113- // where the reply is decoded and its real size is known. Two mechanisms for one rule, with the
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114- // more visible one dead, is worse than one: a reader finds the guard's method, assumes replies
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115- // are bounded during admission, and writes an operation that never bounds its own.
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116- //
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117- // Admission cannot do this job anyway. The guard runs before the command is sent, so the only
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118- // reply size available to it is the estimate the request declared. The authority has to sit
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119- // where the bytes actually arrive.
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exit=0
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