PubNub outage, 1 January 2026
Delay in Publishing Messages to Storage Globally
- Started
- Resolved
- 1 Jan 2026, 01:00 UTC (after 35 min)
- Impact
- Minor
- Affected
- North America Points of Presence, Storage and Playback Service, European Points of Presence, Asia Pacific Points of Presence, Southern Asia Points of Presence
Last update from PubNub
### **Problem Description, Impact, and Resolution** On January 1, 2026 at 00:00 UTC, we observed elevated latency in our History service across multiple regions. Customers may have experienced delays in message persistence and history availability during this period. The issue was caused by a mismatch in newly created persistence tables. Specifically, required columns for message metadata were missing from the new tables, resulting in failed write operations and backed-up queues. This created downstream pressure on our storage systems, leading to higher latency in history processing. We mitigated the issue by manually applying the correct updates across all affected persistence spaces. A...
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