gh_plot_reports corpus (4,299 plots) + concurrency + 4-GPU pool
CORPUS — 4,299 GH plot reports added (3,797 written + 502 from the
earlier slow run + 319 sitemap-listed URLs that 404'd as
discontinued). Combined with prior 760 varieties + 14 AgriPro
trials = 5,073 total chunks now indexed.
scrape/sources/gh_plot_reports.py — concurrency speedup:
- 4 worker threads (ThreadPoolExecutor), each with its own
requests.Session for connection-pool efficiency.
- Shared class-level rate limiter (0.25 sec between ANY two
requests across all threads). Net throughput ~4 req/sec —
well below any rate-limit threshold a public site enforces.
- Diagnosis vs original 1 req/sec: GH had ZERO rate limiting,
zero 429s, zero retries. The 1 sec self-throttle was just too
conservative. Bench:
1 worker / 1.0 sec throttle: ~0.4 plots/sec (190 min ETA)
4 workers / 0.25 sec throttle: ~3 plots/sec (~25 min actual)
rag/chunk.py — chunk size cap for nomic-embed-text's 2048-token
context window:
- Empirically tested: failure threshold is ~5,250 chars on
numeric-heavy trial chunks (chars/token ratio 2.4 vs 3.5 for
prose). Cap at 4,500 chars to be safely under at worst-case
2.2 chars/token.
- Applied to BOTH variety and trial chunks. Marked truncated
chunks with metadata.embed_truncated = True; FULL text stays
in the on-disk .md for get_page to return verbatim.
.gitea/workflows/{refresh,image-only}.yml — OLLAMA_URL pool
restructured for the 4 GPU-pinned endpoints. Bench (50-chunk
batches on nomic-embed-text):
.0.125:11434 (RTX 40-series) 242 embeds/sec ← weight ×4
.0.2:11436 (GPU-pinned) 108 embeds/sec ← weight ×2
.0.2:11435 (GPU-pinned) 72 embeds/sec ← weight ×1
localhost (TITAN X) 37 embeds/sec ← weight ×1
Weighting is done by listing the URL multiple times in
OLLAMA_URL since the embedder uses round-robin. .0.2:11434 is
explicitly EXCLUDED — it isn't pinned to a specific GPU.
Combined index rebuild for 5,073 chunks now finishes in ~3 min
(was 19+ on the single-endpoint pool).
Smoke tests:
✓ list_versions: 5,073 docs across 6 sources, 2 vendors, 6
brands, 4 crops (corn 2711, soy 2016, silage 223, wheat 123).
✓ search_trials({crop=corn, state=IA, year=2024}): 3 IA 2024
corn trials surfaced.
✓ search_trials("Phytophthora resistance soybean trial"): NK
NK43-W1XFS top-1 in LA 2024 trial (cross-vendor result).
✓ search_trials("AP Iliad Idaho wheat"): AgriPro Washington/N
Idaho 2025 trial surfaced.
✓ search_trials(product=DKC65-95): 3 corn trials containing
that hybrid in IL/IA 2024.
✓ search_trials(product=NK1701): 3 corn trials in AR/MS 2024.
✓ Product filter correctly returns EMPTY for products that
aren't in the corpus (DKC65-20 is a 2023 product; 2023 plots
deferred). Anti-hallucination contract preserved.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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# Silage yield trial — ON, 2024
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- **Source:** Golden Harvest plot report (cross-vendor head-to-head)
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- **Crop:** Silage
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- **State:** ON (ON)
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- **Year:** 2024
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- **Plot ID:** 2426229
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- **Cooperator:** Brian Grubb
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- **Planted:** 2024-05-10
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- **Harvested:** 2024-09-23
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- **Population:** 34,000 seeds/acre
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- **Row width:** 30"
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- **URL:** https://www.goldenharvestseeds.com/silage/plot-report/on/2024/2426229
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---
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## Results (top-down by rank)
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| Rank | Brand | Product | Traits | Ton/Acre | Milk Per Acre | Milk Per Ton | Beef Per Acre | Beef Per Ton |
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|---|---|---|---|---|---|---|---|---|
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| 1 | DEKALB | DKC46-40 | - | 33.9 | 3108.0 | 31608.0 | - | - |
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| 2 | DEKALB | DKC096-21 | - | 33.8 | 3118.0 | 31617.0 | - | - |
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| 3 | Pride | Seeds | A6566G8 | 32.9 | 3218.0 | 31762.0 | - | - |
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| 4 | Pride | Seeds | A6585G8 | 32.0 | 2973.0 | 28541.0 | - | - |
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| 5 | DEKALB | DKC42-05 | - | 31.2 | 3177.0 | 29737.0 | - | - |
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| 5 | Pride | Seeds | A6929G4 | 31.2 | 2817.0 | 26367.0 | - | - |
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| 7 | DEKALB | DKC45-74 | - | 30.6 | 2923.0 | 26833.0 | - | - |
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| 8 | Pride | Seeds | Experimental | 30.3 | 3215.0 | 29224.0 | - | - |
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| 8 | Pride | Seeds | A5977G8 | 30.3 | 3240.0 | 29452.0 | - | - |
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| 10 | DEKALB | DKC093-76 | - | 29.7 | 3014.0 | 26855.0 | - | - |
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| 10 | DEKALB | DKC44-80 | - | 29.7 | 3112.0 | 27728.0 | - | - |
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| 12 | DEKALB | DKC39-55 | - | 27.4 | 2670.0 | 21947.0 | - | - |
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Top 5 by Ton/Acre: DKC46-40 (DEKALB) 33.9, DKC096-21 (DEKALB) 33.8, Seeds (Pride) 32.9, Seeds (Pride) 32.0, DKC42-05 (DEKALB) 31.2.
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