PubNub outage, 8 July 2025
Increased Latency and Errors in Presence in the US (East and West) and AP-North regions
- Started
- Resolved
- 8 Jul 2025, 18:16 UTC (after 40 min)
- Impact
- Minor
- Affected
- North America Points of Presence, Asia Pacific Points of Presence, Presence Service
Last update from PubNub
### **Problem Description, Impact, and Resolution** On July 8, 2025 at 17:15 UTC on, we observed elevated errors and increased latency for customers using our Presence service in the US East, US West, and Tokyo regions. We identified an abnormal concentration of traffic and applied a configuration change to redistribute load across our infrastructure. The issue was resolved by 17:45 UTC the same day. ### **Mitigation Steps and Recommended Future Preventative Measures** To prevent a similar issue from occurring in the future, we have implemented targeted balancing for Presence traffic patterns that exhibit such a concentrated load. This allows us to distribute traffic more evenly across in...
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