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refactor(opcuaserver): async-ify ServeRawPaged + HistoryReadEvents internals (03/S3)

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Joseph Doherty
2026-07-13 12:07:00 -04:00
parent 1e83fe7085
commit cef7d9b281
2 changed files with 86 additions and 43 deletions
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archreview/plans/R2-08-ldap-historyread-async-plan.md.tasks.json
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@@ -10,7 +10,7 @@
{ "id": "R2-08-T7", "subject": "S3 sequential-serving repro test (RED): MaxObservedConcurrency >= 2 on an 8-node Raw batch — fails on current code", "status": "completed", "blockedBy": [] },
{ "id": "R2-08-T8", "subject": "ServerHistorianOptions: HistoryReadBatchParallelism/MaxConcurrentHistoryReadBatches/HistoryReadDeadline + Validate warnings + node-manager properties + hosted-service wiring", "status": "completed", "blockedBy": [] },
{ "id": "R2-08-T9", "subject": "Async-ify ServeNode + Processed/AtTime arms (ct threading, OCE=>BadTimeout, behavior-neutral)", "status": "completed", "blockedBy": ["R2-08-T7", "R2-08-T8"] },
{ "id": "R2-08-T10", "subject": "Async-ify ServeRawPaged (page read + tie-cluster over-fetch) + extract ServeEventsAsync", "status": "pending", "blockedBy": ["R2-08-T9"] },
{ "id": "R2-08-T10", "subject": "Async-ify ServeRawPaged (page read + tie-cluster over-fetch) + extract ServeEventsAsync", "status": "completed", "blockedBy": ["R2-08-T9"] },
{ "id": "R2-08-T11", "subject": "RunBounded fan-out in all four HistoryRead arms, single bridge per arm (turns T7 green) + upper-bound + isolation tests", "status": "pending", "blockedBy": ["R2-08-T9", "R2-08-T10"] },
{ "id": "R2-08-T12", "subject": "Per-request HistoryRead deadline CTS — hung backend surfaces BadTimeout per node", "status": "pending", "blockedBy": ["R2-08-T11"] },
{ "id": "R2-08-T13", "subject": "Process-wide concurrent-batch limiter — saturation degrades to BadTooManyOperations (lazy gate, bounded wait)", "status": "pending", "blockedBy": ["R2-08-T12"] },