25 Gigabit Linux internet router PC build • Hacker News Board

Re: 25 Gigabit Linux internet router PC build

#221

Post by slumdev » Sat, Jul 10, 2021, 6:29 PM UTC

vitus wrote: post #70

slumdev wrote: post #28

Earlier quoted context omitted.

Internally: Every once in a while, I move VM images between machines. Even at 1Gbps, it's a drag to sit there and watch them transfer. Not really a big deal, but it'd be nice to see them move faster. Externally: I back up my Google Drive periodically. 500GB takes a while to transfer.

> I back up my Google Drive periodically. 500GB takes a while to transfer. Do you download the whole thing each time, vs just changed files? Either way, (scheduled!) periodic backups sounds like a thing that could happen over trough (well, while you're sleeping), in which case a 200Mbps connection would be more than adequate for your use case (~5.6 hours for 500GB). The numbers obviously scale linearly with the size…

It was a cinch when I had an always-on Windows box. I'd make a request via Takeout, save it on my Drive, and the Backup and Sync app would automatically download it to my local copy of the drive. But that box is now running Ubuntu, and I haven't gotten around to replacing Backup and Sync with one of the other (non-free, non-Google) options.

Re: 25 Gigabit Linux internet router PC build

#222

Post by nfriedly » Sat, Jul 10, 2021, 6:31 PM UTC

judge2020 wrote: post #154

ta988 wrote: post #149

Earlier quoted context omitted.

At work people leave their computers and screens on (and unlocked most of the time)... (edit): I tried to educate but nobody really care...

Maybe in your office, but when I was in the office we had a culture of pressing Win+L or the dedicated lock key on the keyboard and letting Windows turn off the display after a minute of being on the lock screen.

At my job people tend to post silly things in slack, like an "I love ponies" giphy image, when they see someone else's computer unlocked and unattended.

Re: 25 Gigabit Linux internet router PC build

#223

Post by AdrianB1 » Sat, Jul 10, 2021, 6:32 PM UTC

secure wrote: post #11

great-potential wrote: post #9

Earlier quoted context omitted.

I think if the OP uses this only as a router it is indeed a waste of power. What I would probably do is also use it as nas/workstation by using virtualization, SR-IOV is now pretty standard on these cards.

I’m using the machine also as a server, so it replaces 2 existing devices. In terms of power consumption, it’s likely only a small increase, if at all.

I am using a home server with the same CPU and I am using it for SQL, storage server and virtualization. In order to do that I changed RAM to 32GB DIMMs, 64GB in total was not enough and the CPU works just fine with 32GB DIMMS. The platform is quite limited by the number of available PCIe lanes, but without moving up to Threadripper (a lot more expensive) there is no better option, Intel is in the same place or worse. The good thing with Intel is that you can use a CPU with integrated graphics and save the PCIe lanes for the graphics card.

My previous build (Ryzen 2700, 65W) had a great feature until it was gone with a BIOS update: after installing everything it worked with the graphics card removed. As I always connected only remotely, it was not a problem but a benefit. You can try and see what happens.

Re: 25 Gigabit Linux internet router PC build

#224

Post by nixgeek » Sat, Jul 10, 2021, 6:32 PM UTC

liketochill wrote: post #201

nixgeek wrote: post #187

Earlier quoted context omitted.

We were at 5MWh last month, so it’s all relative. Don’t feel bad.

That is impressive! Did you do that on a 200A 120/240V service? What is your load? Ac?

It’s 240V/400A split-phase service, PNW, around $0.11/kWh. Air conditioning is a big part of it when the temperatures are high. Also charging multiple bEV, a lot of 24x7 loads: half-dozen fridges, a couple large freezers, wine cellar, about 1kW of IT+AV equipment, etc.

Re: 25 Gigabit Linux internet router PC build

#225

Post by lostlogin » Sat, Jul 10, 2021, 6:35 PM UTC

logifail wrote: post #217

tomnipotent wrote: post #145

Earlier quoted context omitted.

SFP requires less energy than RJ45, only 0.7W/port. The MikroTik 4-port CRS305-1G-4S+IN draws 10-18W.

> MikroTik 4-port CRS305-1G-4S+IN I have two of these at home, they're neat little bits of kit. They're fanless and therefore silent, which is fine until you realise you want to do 10GbE over existing copper cables with something like Mikrotik's S+RJ10 adapter. Then the temps start to rise... So, I've decided to go completely to fibre, even if it means opening up the walls of the house. Just bought a job lot of used…

> ConnectX-3 cards off ebay.

Those cards are so good. I got a few after seeing them rated in r/homelab and haven’t looked back. The Synology took one and it was about 1/10th the price the official Synology one was.

Re: 25 Gigabit Linux internet router PC build

#226

Post by _huayra_ » Sat, Jul 10, 2021, 6:35 PM UTC

j1elo wrote: post #157

flatiron wrote: post #135

Earlier quoted context omitted.

I run just plex and pi hole. Money I save with plex that I don’t need a million different services and having no ads at home is well worth the price. One day my friends went out and I couldn’t go. They got all drunk and shared how much they rely on my plex and by the time I woke up I had close to $1k in PayPal and a note that said “for an upgrade and your time” so honestly I probably making out on the deal. Went from…

I've been looking at the offers of big providers and the average seems to be pretty much standard: 2 TB for $10/month. All across Dropbox, Google, Apple, even Microsoft (the individual plan) are in the same ballpark.

I've been using pcloud which has a lifetime plan which is a pretty good deal. I recommend waiting until black friday or August 1 (Swiss national day; they're a CH-based company) when they severely drop the price.

Re: 25 Gigabit Linux internet router PC build

#227

Post by AdrianB1 » Sat, Jul 10, 2021, 6:37 PM UTC

j1elo wrote: post #4

I'm always amazed by people who don't bat an eye on the perspective of having a home server, sucking up electricity 24/7. In this case replacing a typical router (which consumes like a lightbulb), with a full-fledged PC (probably consuming like x100 the power). I guess some people around the world have quite cheap utility bills! For me, it's either a Raspberry Pi type of power consumption, or else a server that only…

My home server using a very similar configuration (same CPU, a lot less potent network) is what enables me to work from home, making a living, so the cost of electricity is compensated by the gas saved on commuting. I am also in process of adding solar to my house, covering a lot more than this server.

If people use old servers in the kilowatt range consumption for fooling around having a server in the basement is questionable, building something with low power in mind is nothing to complain about.

Re: 25 Gigabit Linux internet router PC build

#228

Post by nixgeek » Sat, Jul 10, 2021, 6:37 PM UTC

Bud wrote: post #220

The real story here is how great the internet service can be now in a civilized country if you don't let Comcast have monopolies and ban local internet cooperatives and coast along selling the same service for 15 years while raising prices. 25Gbps symmetric for about $70/month. That's significantly less than I pay Comcast for its crappy 900Mbps down/40Mbps up service.

At least in PNW the service isn’t 900/40 any more, it’s advertised as “1.2Gbps” and the profile actually seems to be 20% over that, I’ve seen 1.5Gbps or 170-180MB/sec downstream performance recently. Upstream is still <= 50Mbps and otherwise agree with your comment that the U.S. is falling behind in price-throughput on domestic internet services versus many other developed nations.

Re: 25 Gigabit Linux internet router PC build

#229

Post by lostlogin » Sat, Jul 10, 2021, 6:43 PM UTC

flatiron wrote: post #135

j1elo wrote: post #4

I'm always amazed by people who don't bat an eye on the perspective of having a home server, sucking up electricity 24/7. In this case replacing a typical router (which consumes like a lightbulb), with a full-fledged PC (probably consuming like x100 the power). I guess some people around the world have quite cheap utility bills! For me, it's either a Raspberry Pi type of power consumption, or else a server that only…

I run just plex and pi hole. Money I save with plex that I don’t need a million different services and having no ads at home is well worth the price. One day my friends went out and I couldn’t go. They got all drunk and shared how much they rely on my plex and by the time I woke up I had close to $1k in PayPal and a note that said “for an upgrade and your time” so honestly I probably making out on the deal. Went from…

Does Google check or care what is on there? That would make me nervous.

Re: 25 Gigabit Linux internet router PC build

#230

Post by nimish » Sat, Jul 10, 2021, 6:43 PM UTC

Without PPS measurements its hard to say how good this is. 1.488MPPS is needed to saturate a gigabit connection and that usually needs some tricks like poll mode drives/dpdk/etc on commodity hardware.