Mysterious Latency Spike Raises Questions Over Network Performance at Ripple CTO’s Hub

• Ripple CTO sees selective peer latency spike, rules out central hub fault.
• Bandwidth hiccup suspected after three out of 343 connections dropped briefly.
• Wider latency gap hints at capacity strain in CPU, GPU, or network resources.

A sudden surge in peer round-trip latency has drawn attention from Ripple’s Chief Technology Officer, David Schwartz. The unusual 15-minute performance dip occurred at about 1:59 AM PDT and has prompted discussions about potential network bottlenecks. 

Schwartz, who is tracking latency at the application level, noted that the increase did not impact all connections equally. That detail has made the cause more difficult to pinpoint.

I have my first bit of weird data from the hub. I'm tracking peer round-trip latency at application level and there was a weird spike that shows significantly worse performance for a period of about 15 minutes.

The spike starts at about 1:59 AM PDT.
The thing that puzzles me… pic.twitter.com/binWG2KeYL

— David 'JoelKatz' Schwartz (@JoelKatz) August 15, 2025

Investigating Possible Network Issues

Schwartz explained that if the hub itself had been at fault, the slowdown would have been consisten…

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