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CAMPAIGN: section 7 row 25, served ArcadeDB reads move to a transaction-free path at the re-pin (#36) - #37
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…on-free path at the re-pin (#36) POST /query and POST /command wrap a read in an auto-commit transaction, inside which a scan stays sequential (ArcadeData#8775); every served arm reads through them while the embedded arms read outside one. October is unaffected (no type scan ran in parallel at the pin); at the re-pin the served reads move to GET /query, or to POST /query if ArcadeData#8775's follow-up exempts idempotent statements, checked with EXPLAIN. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01WWcDr7TwvcfMsQkeYQVHZr
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Closes #36.
benchmarks/experiments/CAMPAIGN.md, section 7: row 25. Served ArcadeDB reads move to a transaction-free path at the re-pin (GET /query, or POST /query if ArcadeData#8775's follow-up exempts idempotent statements there), l1_tpc'solapoff/commandeither way, confirmed with EXPLAIN on the re-pin image. October is unaffected: at the pin a type scan needed two bucket sub-steps to run in parallel and every type has one (typeDefaultBuckets1,queryParallelScanMinBuckets2, no lane sets buckets). Docs only (the checklist); the harness change waits for the re-pin, per "never change the instrument mid-campaign".structure_checkok.🤖 Generated with Claude Code
https://claude.ai/code/session_01WWcDr7TwvcfMsQkeYQVHZr