# Census: Partial Sync Outage

- Impact (vendor’s label): major
- Status: resolved
- Started: 2024-09-11 19:00 UTC · Resolved: 2024-09-12 00:06 UTC · Duration: 5.1 h
- Updates: 4 · Affected components: Sync Engine
- [Vendor status page: https://stspg.io/s8rgmzmhgfhl](https://stspg.io/s8rgmzmhgfhl)
- [Company: Census](https://rewindex.com/company/census.md)

## Summary

Census reported a major Sync Engine outage starting 2024-09-11 19:00 UTC, lasting 5 h 5 min and resolved at 2024-09-12 00:06 UTC. Empty unload batches could fail with file or Parquet conversion errors; after a fix, some syncs encountered function errors, primarily advanced sync engine mirror syncs with no deletes. _(machine-written, sol)_
## Timeline of updates

- **identified** 2024-09-11 19:00 UTC: Syncs empty unload batches have a chance of failing with either a "IO Error: No files found that match the pattern IGNORED\_EMPTY\_FILE" or a "Parquet Conversion Error". The issue has been identified and a fix is being released.
- **monitoring** 2024-09-11 19:23 UTC: A fix has been implemented and we are monitoring the results.
- **investigating** 2024-09-11 20:50 UTC: A subset of the previously affected syncs are now hitting "No function matches the given name and argument types" errors. It's primarily limited to advanced sync engine mirror syncs with no deletes. Investigation continues.
- **resolved** 2024-09-12 00:06 UTC: The issue has been resolved.

## Rewindex changes for this incident

- 2024-09-11 19:00 UTC: [Major incident: Partial Sync Outage](https://rewindex.com/change/i9a4ee6dc9a80fb.md)


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Canonical: https://rewindex.com/company/census/incidents/sxqcd9zr54wy · Markdown: https://rewindex.com/company/census/incidents/sxqcd9zr54wy.md · JSON: https://rewindex.com/api/v1/companies/census/incidents/sxqcd9zr54wy · Generated 2026-10-18T11:45:08.377Z