Network Debug Basics

BlueWave

Getting the hang of it
Jan 12, 2018
68
38
Lately, I've been having some problems with my live cam feeds lagging when being viewed remotely, and I'm a bit perplexed about how to even identify the source of the lag so that I can repair or replace whatever the issue may be. I'm running 16 hardwired cams with the latest Blue Iris 5 with on a Minisforum MS-01 PC (i9-13900H) with a 10GB ethernet connection to my Unifi Switch & Router. My ISP has a 40mb upload and 1 Gbps downlink, but this has been the same for the past 7+ years, along with all my Unifi networking gear, meaning nothing changed suddenly that would give me an obvious clue on where to start. Looking at the PC dedicated to running Blue Iris the CPU, Memory & GPU usage are all below 50%, and while streaming remotely I use maybe 25% of my upload capacity so Im not seeing no obvious clues as to whats causing the lag. I can see on the remote Blue Iris stream that sometimes the FPS drops down to 1-5 when it should be 15fps but often when it drops, it comes back to normal a few seconds then drops again then comes back...etc. Anyways, is there a certain method or guide to trying to pinpoint what's causing the lag in the hardwired network, whether its with the ISP, CloudFlare Zero Trust, Unifi Switch or Router or the mini PC....etc?
 
A lot to unpack here. How are you viewing the cameras remotely? Have you tested locally as well and is the problem present locally also? Have you gone through the optimizations listed in the wiki? I have a very. similar setup to you and I barely see any CPU and/or network utilization that you are seeing. I'm also running Unifi network gear and my Blue Iris machine is connected at 1GB versus your 10GB. Understand it's been running fine for a while but some times, it makes sense to go back to the basic performance tweaks and ensure they are implemented.
 
In my experience here on my test machine, the latest couple of releases have had this issue. Roll back to an earlier release.
I've notified BI support and you should too.