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b9bb4bbe64
Overlapping run-operator-validation invocations spawned twin yes_general exports and repeated OOM skips. Host scrape now holds .dce-scrape.lock; smokes bypass via DCE_SKIP_SCRAPE_LOCK. Added lock smoke (20/20 pass).
38 lines
1.3 KiB
Markdown
38 lines
1.3 KiB
Markdown
---
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title: "fix: Scrape run lock prevents concurrent container exports"
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type: fix
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status: complete
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date: 2026-06-04
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origin: /lfg — duplicate KotOR validation runs left two yes_general exports OOM-looping
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---
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# fix: Scrape run lock prevents concurrent container exports
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## Problem
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Two overlapping `run-operator-validation.sh --target KotOR_discord_msgs` processes each started a full container scrape. Both exported `yes_general` (`221726893064454144`) with the same `--after` cursor, creating twin `.dce-temp/export.*` dirs (~29–34 MiB each) and repeated OOM skips.
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Cron uses `flock`, but manual/host validation does not — overlapping runs are unguarded.
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## Requirements
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| ID | Requirement |
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|----|-------------|
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| R1 | `run-discord-scrape-host.sh scrape` acquires non-blocking `flock` on `$REPO_ROOT/.dce-scrape.lock` |
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| R2 | `DCE_SKIP_SCRAPE_LOCK=1` bypasses lock (smoke tests) |
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| R3 | Clear error when lock held; preflight unaffected |
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| R4 | Offline smoke asserts second scrape fails while lock held |
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| R5 | `run-all-smokes.sh` passes (19/19); docs note concurrent-run hazard |
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## Verification
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```bash
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./scripts/tests/run-discord-scrape-host-lock-smoke.sh
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DCE_MIN_FREE_MB=0 ./scripts/run-all-smokes.sh
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```
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## Out of scope
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- Completing yes_general multi-hour catch-up inside LFG
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- Container memory limits / tuning
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