PubNub outage, 29 June 2025
Increased global errors and latency for all services
- Started
- Resolved
- 29 Jun 2025, 17:15 UTC
- Impact
- Not stated
Last update from PubNub
Beginning on Friday, June 27, 2025 at 08:15 UTC, there were occasional, intermittent increases in latency and errors in three of our services: Pub/Sub, History, and Presence. The root cause discussed in this analysis was identified and corrected on Monday, June 30. ### **Problem Description, Impact, and Resolution** Recently, to ensure PubNub had access to more cloud server capacity across our many regions, we introduced new instance types to our system to provide a more heterogeneous set of instance types on which PubNub’s services run. Over time, PubNub has created many OS/kernel-level configurations to optimize the performance of each server. However, with the more heterogeneous instan...
Is PubNub down now?
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