PubNub outage, 27 June 2025
Increased errors and latency in IAD region
- Started
- Resolved
- 27 Jun 2025, 11:00 UTC
- Impact
- Minor
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?
This page is the record of one past incident. For the live status, see Is PubNub down right now? - it reads the official status page every 2 minutes.