revert: reject neutral symbol-id series storage

2026-09-06 06:29:51 +08:00
parent a7f96c030f
commit c5767ca272
3 changed files with 111 additions and 174 deletions
@@ -0,0 +1,45 @@
+{
+  "schemaVersion": "fidc-symbol-id-series-storage-rejection/v1",
+  "measuredAt": "2026-09-06T06:31:00+08:00",
+  "host": "192.168.31.177",
+  "candidateCommit": "5a7c49a4543b584503ff0d2c2ae513c68d25de8a",
+  "implementation": "remove duplicate string-keyed market and adjusted-close series maps and build symbol-id vectors directly",
+  "businessParity": {
+    "primaryFiveYearCanonicalSha256": "b42fea66237d06eadb24f6b8c9e2760e7319fe3699f315b99e01f433ef2aa234",
+    "secondaryFiveYearCanonicalSha256": "0dbd3fad624097c673c4a5ec2f545f95e9c21d1d5337bb2b48ffeb22b16cb2b9",
+    "genericRankFiveYearCanonicalSha256": "84367993911b42437939aad88f29379d007af6f5f171667ff7ad6677dd488fd2",
+    "minuteCanonicalSha256": "457c086b1bca784fe83f447bb22451925e8f022456bb0fc7b54237a7a7886849",
+    "allTerminalAuditsClean": true,
+    "allResultsConsistent": true
+  },
+  "performance": {
+    "baselineDatasetConstructSeconds": [4.448, 4.546],
+    "candidateEarlyDatasetConstructSeconds": [3.899, 3.895, 3.663],
+    "candidateFinalRestartDatasetConstructSeconds": 4.472,
+    "candidateFinalRestartColdDataSeconds": 14.513,
+    "candidateFinalRestartColdTotalSeconds": 18.381,
+    "conclusion": "the apparent early improvement did not reproduce after a final restart under the current host phase; the final constructor time is equal to the adjacent baseline range"
+  },
+  "memory": {
+    "baselineSingleDatasetCurrentBytes": 11470495744,
+    "candidateSingleDatasetCurrentBytes": 11473674240,
+    "conclusion": "no measurable resident-memory reduction"
+  },
+  "testGate": {
+    "corePassed": 538,
+    "ignoredManualBenchmarks": 8,
+    "failed": 0
+  },
+  "remoteArtifacts": [
+    "/srv/fidc/canonical/run/fidc-private/evidence/symbol-id-series-primary-five-year-20260906.json",
+    "/srv/fidc/canonical/run/fidc-private/evidence/symbol-id-series-secondary-five-year-20260906.json",
+    "/srv/fidc/canonical/run/fidc-private/evidence/symbol-id-series-generic-rank-five-year-20260906.json",
+    "/srv/fidc/canonical/run/fidc-private/evidence/symbol-id-series-minute-20260906.json",
+    "/srv/fidc/canonical/run/fidc-private/evidence/final-symbol-id-series-post-doc-sync-20260906.json"
+  ],
+  "decision": {
+    "status": "rejected_and_removed",
+    "reason": "the candidate preserved correctness but did not provide a stable end-to-end or memory improvement across restart validation; duplicate maps are not a proven material bottleneck",
+    "nextTarget": "remove the SourceRowRecord to DailySnapshot to DataSet multi-stage materialization, or publish a content-addressed base panel that can be mapped across restarts"
+  }
+}