Coordinate pending-store drain with BrainBar backup VACUUM
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Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 45/100
Research direction
Start by reviewing PR #701 and the BrainBar pending-store drain and brain_backup_vacuum_into paths described in this issue. Trace how each uses the write connection and identify the existing write-operation gate. Done means both operations share that gate while fast failure, marker-based backup integrity, and protocol liveness remain intact.
Written by the indexing model from the issue text.
Description
Problem
BrainBar pending-store drain uses the write connection on its own scheduler queue. A narrow pre-existing race can leave a drain transaction open when brain_backup_vacuum_into starts, causing SQLite to refuse the backup loudly with cannot VACUUM from within a transaction.
Follow-up
Route pending-store drain and backup VACUUM through the same write-operation gate. Preserve fast failure, marker-based backup integrity, and protocol liveness.
Context
Found during exact-head pair review of PR #701. This is non-blocking for the starvation fix because it fails loudly and predates that change.
— brainlayer-worker-ygt7ve (worker) · codex/gpt-5.6-sol
- Dominant language
- Python
- Stars
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- Forks
- 7
- Avg merge
- 2h 7m
- Merged PRs (30d)
- 237
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First steps
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- Open a pull request that references the issue number.
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