However I continued to watch htop and while the CPU utilization was high it remained stable. We will revisit her and ask about her experience a little later….
That is okay, the Pi Zero handled this fine with about 1.5 seconds of buffering right at the beginning. We had to go into advanced and set the quality to 1080p. Now with this third device, YouTube automatically selected 720p but that was outside the scope of what I wanted to test. I asked her to listen to some YouTube with the quality turned all the way up to 1080p while she did homework. I bugged the wife for her cell phone and got her connected. Now that I have gotten this interesting screenshot and the Pi Zero was stable, I added a third device. This image below is from htop with both YouTube streams AND the Ubuntu ISO download. I figured it would fail but to my surprise after about 5 minutes it actually started to trickle along. Oh man! This was super slow to initiate the download. I decided to try and download a Ubuntu Desktop ISO onto the first connected client. This is when I got curious and broke the scientific protocol I had been carefully following up to this point. This is great news! Some time past and my phone was able to successfully maintain the YouTube stream. Once connected I fired up an Episode of THE WAN SHOW that was about 2 hours long and the quality automatically set for 1080p HD. I mean at the end of the day I just want to know what a $7 USD from MicroCenter can do.Įxamining the information above we should be expecting on average 27 Mbps upload and only 12.7 Mbps download.Īs expected, the Pi Zero was handling this workload rather well, so I suspect it is time to connect a second client. I suspect, that is a single Raspberry Pi Zero can host four simultaneous 1080p video streams it just might be an acceptable experience.
I intend on adding one device at a time until 4 devices are connected, all the while checking for stability in-between client additions. If the server remains stable I will add another device with a second 1080p YouTube stream. To load test this Pi Zero my plan is to start with a single client device and stream a YouTube video at 1080p. Everything inside my home network is on Cat6a with a 1Gbps WAN uplink to try and rule out any other interference. Wireless will be provided from a UniFi AP-AC-PRO running the latest firmware sitting about 4-5 feet away. Power will be provided from an Anker cable getting power from a Samsung wall adapter so I don't suspect power delivery will impact performance. The only applications installed will be speedtest-cli and PiVPN. I will be using a Raspberry Pi Zero W running 32bit Raspberry Pi OS straight from Raspberry Pi Imager v2.6 installed onto a MicroCenter 32GB mSD card. Tl dr - I tested the throughput of a Pi Zero running PiVPN (Wireguard) and found that even two devices streaming a 1080p YouTube stream was stable and did not encounter any buffering.
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