# Bitrise: Queues on M4 Pro

- Impact (vendor’s label): major
- Status: resolved
- Started: 2025-10-30 16:18 UTC · Resolved: 2025-10-30 17:55 UTC · Duration: 1.6 h
- Updates: 2 · Affected components: ⚙️ Builds (CI)
- [Vendor status page: https://stspg.io/zwfp9lzty0pm](https://stspg.io/zwfp9lzty0pm)
- [Company: Bitrise](https://rewindex.com/company/bitrise.md)

## Summary

Bitrise reported a major (SEV-2) degradation affecting build queues on M4 Pro machines, with longer waits for builds to start; execution remained normal once a worker was allocated. It started at 2025-10-30 16:18 UTC and was resolved at 2025-10-30 17:55 UTC, lasting 1 h 37 min. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2025-10-30 16:18 UTC: \<b\>We are currently investigating elevated build queues on Bitrise. Some users may experience longer-than-usual wait times for builds to start, as queued jobs take longer to be picked up.\</b\> \<b\>What’s happening?\</b\> \<b\>Services:\</b\> Build start times and queue wait times; build execution itself remains normal once a worker is allocated. \<b\>Scope:\</b\> Builds on M4 Pro machines \<b\>Severity:\</b\> SEV-2 \<b\>What we’re doing?\</b\> Our Engineering teams are actively investigating causes, reviewing worker pool utilization, autoscaling events, recent deploys, and any upstream provider issues. We are analyzing metrics and logs to identify bottlenecks like unusually high build volume, throttling from third-party providers, etc. We are working on immediate actions to remediate this issue. We will perform validated mitigations as soon as they are determined safe. \<b\>When will the next update be available?\</b\> You can expect a status update approximately \<b\>1 hour\</b\> from now.
- **resolved** 2025-10-30 17:55 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2025-10-30 16:18 UTC: [Major incident: Queues on M4 Pro](https://rewindex.com/change/id274a2f5a25c48.md)


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Canonical: https://rewindex.com/company/bitrise/incidents/71q36pd3hm0s · Markdown: https://rewindex.com/company/bitrise/incidents/71q36pd3hm0s.md · JSON: https://rewindex.com/api/v1/companies/bitrise/incidents/71q36pd3hm0s · Generated 2026-10-18T11:34:45.562Z