Since I changed my personal desktop to a Mac four years ago, this would be a good opportunity to brush up on my Windows 10 skills. The “Zoom” machine is running 64bit Windows 10 Home and has Core I5 processors with 8gb of RAM, so I thought it would be able to handle the monitoring workload. I have a newish Dell laptop I purchased last year dedicated to running family Zoom meetings from my kitchen.
I started looking around for another system in my house that was always on and had enough processing power to support the network monitoring. I (incorrectly) hypothesized that the Raspberry Pi didn’t have enough processing capacity but that turned out not to be the cause of the discrepancy. Unfortunately, the bandwidth results I got were significantly lower and inconsistent compared to the results I was seeing from Ookla speedtest on my desktop. But I went ahead and installed the configuration on the Raspberry Pi. I was concerned about the additional load of running speedtest, InfluxDB, and Grafana on the Pi. The first issue is that I only have one Raspberry Pi currently in “production” use, and that use is running pihole. This blog gave me a lot of information on the potential solution, but I had some issues with implementing it. I quickly found this blog by Simon Hearne about running speedtest on a Raspberry Pi and capturing the results in InfluxDB.
Searching for a solution First attempt – Raspberry Pi I needed to find a way to monitor my network speed on an ongoing basis. Eventually the problem was resolved by swapping out my ancient cable modem, but I wanted to make sure that I was aware of network problems when they started occurring. What was worse is that the problem was intermittent so even when I thought it was “fixed” the problem reoccurred. The problem is, I didn’t really have any idea when my network bandwidth started to deteriorate. After passing through the VRU gauntlet (don’t get me started!) I finally got to a support rep that asked me that question. When that didn’t help, I gritted my teeth and called support at Spectrum Cable. So when I noticed my network speed slowing to a crawl, I immediately did a few diagnostic tasks like rebooting my cable modem. Like everybody else, I am conducting almost all my activities over the Internet these days. This was one of the first questions the cable support rep asked me when I called to report slow Internet speeds.
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