feat: enhance migration resilience with improved error handling and …#3
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jamesdelbarco wants to merge 2 commits intobraintrustdata:mainfrom
Open
feat: enhance migration resilience with improved error handling and …#3jamesdelbarco wants to merge 2 commits intobraintrustdata:mainfrom
jamesdelbarco wants to merge 2 commits intobraintrustdata:mainfrom
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added 2 commits
January 29, 2026 15:07
…filtering
Add comprehensive resiliency improvements to handle edge cases during migration:
- Add --created-before flag for inclusive end-date filtering
- Extend rate limit (429) retry attempts to 30 with enhanced jitter (10-50%)
to prevent thundering herd and allow recovery from sustained rate limiting
- Make 413 (Payload Too Large) errors retryable with automatic batch bisection
and optional oversized item skipping
- Fix BTQL created_before filter from exclusive (<) to inclusive (<=)
- Remove tags from non-root spans per API constraints
- Add skipped_oversize tracking to migration state
These changes significantly improve migration success rates for large datasets
and high-traffic scenarios.
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Summary
Enhanced migration resilience with improved error handling and date filtering capabilities.
Changes
🔄 Error Handling Improvements
skip_single_413parameter allows migration to continue when individual items are too large, tracking them separately📅 Date Filtering Enhancements
--created-before: Changed from exclusive (<) to inclusive (<=) for more intuitive date range behavior--created-beforenow represent end-of-day (23:59:59.999999 UTC)created_after(start-of-day) vscreated_before(end-of-day)🐛 Data Quality Fixes
tagsfield from non-root spans to comply with Braintrust API validation requirements✅ Testing
created_beforecanonicalization logicFiles Changed
braintrust_migrate/client.py- Enhanced retry logic with extended 429 handlingbraintrust_migrate/config.py- Separate date canonicalization functionsbraintrust_migrate/insert_bisect.py- Skip oversized items optionbraintrust_migrate/streaming_utils.py- Track skipped oversized itemsbraintrust_migrate/resources/logs.py- Strip tags from non-root spanstests/unit/test_logs_btql_sorted_fetch.py- New comprehensive test suiteImpact