# Pusher: We are experiencing a major outage in our US2 cluster

- Impact (vendor’s label): critical
- Status: resolved
- Started: 2024-09-08 18:00 UTC · Resolved: 2024-09-08 23:06 UTC · Duration: 5.1 h
- Updates: 7 · Affected components: Channels REST API, Channels Webhooks, Channels presence channels, Channels WebSocket client API
- [Vendor status page: https://stspg.io/34c6r6hg4lv2](https://stspg.io/34c6r6hg4lv2)
- [Company: Pusher](https://rewindex.com/company/pusher.md)

## Summary

Pusher’s critical US2 outage affected most traffic, including Channels presence channels, REST API, Webhooks and WebSocket client API. It started at 2024-09-08 18:00 UTC and was resolved at 2024-09-08 23:06 UTC, lasting 5 h 5 min. Pusher reported deploying a fix and restoring services; no cause was specified. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2024-09-08 18:00 UTC: We are investigating what is causing the issue to our US cluster.
- **investigating** 2024-09-08 19:31 UTC: We are escalating the current issue from a partial outage to a major outage. The majority of traffic in the US2 cluster is currently affected. Our team is fully engaged and working to resolve the issue.
- **investigating** 2024-09-08 21:19 UTC: Our team is still investigating the issue within our infrastructure that is preventing us from adding WebSocket capacity to the US2 cluster. This issue is specifically impacting our WebSocket deployments. The majority of clients are currently unable to connect using WebSocket. However fallback mechanisms (SockJS, HTTP streaming, and HTTP polling) are available for connection if they are not disabled in your configuration.
- **monitoring** 2024-09-08 22:19 UTC: The team has been able to identify the issue and push a fix. We are seeing a full recovery of the services. We will continue to monitor.
- **monitoring** 2024-09-08 22:21 UTC: A fix has been implemented, and we are monitoring the results. WebSocket connections should now be functional.
- **monitoring** 2024-09-08 23:05 UTC: We are continuing to monitor for any further issues.
- **resolved** 2024-09-08 23:06 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2024-09-08 18:00 UTC: [Critical incident: We are experiencing a major outage in our US2 cluster](https://rewindex.com/change/i0641f2fa426791.md)


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Canonical: https://rewindex.com/company/pusher/incidents/mvrp3y0d9cvs · Markdown: https://rewindex.com/company/pusher/incidents/mvrp3y0d9cvs.md · JSON: https://rewindex.com/api/v1/companies/pusher/incidents/mvrp3y0d9cvs · Generated 2026-10-18T11:27:59.961Z