Hacker News Reader

virtuallynathanon YouTube is banning anti-vaccine activists and blocking all anti-vaccine content

They had to write a paper saying that because it doesn’t happen. We are still doing these procedures today.

Do the interventional cardiologists want to stop stenting people? Not really. The orthopedic surgeons still want to mess with your meniscus, etc.

virtuallynathanon YouTube is banning anti-vaccine activists and blocking all anti-vaccine content

I’m not really sure what kind of problems you expect peer review to solve? https://twitter.com/page_eco/status/1441040475826184194?s=21

There’s plenty of bad/fraudulent/wrong stuff that gets through peer review, perhaps even a majority.

virtuallynathanon YouTube is banning anti-vaccine activists and blocking all anti-vaccine content

There’s quite a few medical practices which guidelines still recommend that do not show benefit in better or newer trials.

https://jamanetwork.com/journals/jama/fullarticle/1104821

virtuallynathanon Serving Netflix Video at 400Gb/s on FreeBSD [pdf]

Yep, that is generally the case. The steering is slightly different, but close enough.

virtuallynathanon Serving Netflix Video at 400Gb/s on FreeBSD [pdf]

That’s in the right ballpark, I believe.

virtuallynathanon OSHA to require employers with 100 employees vaccinate or test workforce

It's well over 10% who have had covid, probably quite a bit north of 30%.

virtuallynathanon OSHA to require employers with 100 employees vaccinate or test workforce

> Within one year there appears to be myocarditis at a rate of 16 COVID deaths per 1 myocarditis case.

Is that age stratified? E.g. in 18-29y/o males where myo/pericarditis risk is highest? With and w/o commodities would be helpful in the risk benefit calculus as well.

virtuallynathanon RNA breakthrough creates crops that can grow 50 percent more potatoes, rice

Interestingly this gene, FTO, is also known as the “fat gene” in humans too. Must be something fairly fundamental in growth/proliferation.

virtuallynathanon High blood pressure cases double in 30 years

Or they could lower carbohydrates, and reverse their insulin resistance.

virtuallynathanon Starlink is better than satellite and DSL but not as fast as fiber or cable

I see speeds of up to 415Mbps down, 65Mbps up, and latency as low as ~16ms. I regularly see 200Mbps down, and I cap the upstream to 20Mbps to help with bufferbloat. Latency is usually around 20-40ms.

virtuallynathanon Tesla Dojo chip teaser picture

Pieced together more info:

    Top plate and middle gold plate are water cooling

    Bottom thick PCB with connectors is VRMs/Power distribution

    Based on TSMC InFO_SoW, chips are ~26x26mm (~676mm2), close to the TSMC 7nm reticle limit

    Each 300mm wafer yields 25 chips, so each module is a full wafer

    20 pairs of chips around the perimeter are likely IO/SerDes

    may be like the Cerebras WSE with only on-chip SRAM and no external memory

    Each chip could be up to ~400W, meaning each module is ~10kW+, more for power losses, IO, etc

Thanks to: https://twitter.com/idontwa86202030/status/14225661791310438...

virtuallynathanon Tesla Dojo chip teaser picture

Wow! I hope someone with more knowledge can chime in, but it looks like a 5x5 cluster of chips on the 2nd from the top PCB, along with 20 pairs of other chips along the perimeter. The bottom of that PCB seems to contain a bunch of high density connectors, then several layers of mechanical parts, and finally another PCB with a bunch of high density connectors. Strange!

virtuallynathanon Live Starlink Satellite Map

Each beam covers a cell that is ~140sq mi at nadir, there are likely 48 downstream beams per sat (16 per antenna), per FCC filings.

virtuallynathanon Tesla 2Q 2021 Quarterly Result

This quarter isn't representative, they only started deliveries of the new Model S at the very end of the quarter. Historically it's about 10%.

virtuallynathanon 25 Gigabit Linux internet router PC build

I was going to say that... with fd.io this should be pretty easy these days.

virtuallynathanon Show HN: fcp – A significantly faster alternative to cp(1), written in Rust

I just tried this going between my 2 servers with NFS, as compared to cp, rsync, and rclone. This tool wins by >2x. Great work! ~1.5Gbps vs ~3-4Gbps.

virtuallynathanon Google to build new undersea cable to connect Latin America and the U.S.

Generally yes in the case that other parties help out — for example Marea was Microsoft, Facebook, and Telexius. Telexius sells capacity on that cable.

Others are Google exclusive, and they do not currently sell capacity to my knowledge.

virtuallynathanon Google to build new undersea cable to connect Latin America and the U.S.

On these newer cables they tend to use wavelength-selective switches at BUs.

virtuallynathanon Boosting upload speed and improving Windows' TCP stack

Looking at the flows on my network while uploading a file, it seems Google Drive's mac client just uses regular old TCP, same for the website.

virtuallynathanon There have been 7M-13M excess deaths worldwide during the pandemic

This is not the case with automotive fatalities, they were up in 2020. "A 24% spike in roadway death rates is highest in 96 years"

virtuallynathanon There have been 7M-13M excess deaths worldwide during the pandemic

Automotive fatalities were actually up substantially in 2020.

virtuallynathanon There have been 7M-13M excess deaths worldwide during the pandemic

That's the CFR, the OP is probably referring to the IFR, which is likely <0.35%

virtuallynathanon There have been 7M-13M excess deaths worldwide during the pandemic

This is an effect referred to as "mortality displacement" -- it tends to happen with bad flu years, heat waves, etc: https://en.wikipedia.org/wiki/Mortality_displacement

virtuallynathanon Starlink Satellites Tracker

One of the coolest starlink specific trackers is starlink.sx.

virtuallynathanon AWS inter-region latency chart

No, its only been mentioned at ReInvent publicly, or via the WikiLeaks AWS leak.

virtuallynathanon AWS inter-region latency chart

In My use of DC I’m referring to a single physical building.

virtuallynathanon AWS inter-region latency chart

Yep, public IPs. I’m sure people do that, or use VPC peering if they want to use private IPs.

Expensive. VPC peering serves a different purpose, but pricing is the same.

virtuallynathanon AWS inter-region latency chart

It really is, for all AWS-AWS traffic barring Beijing and Ningxia. src: I worked in AWS networking for 2.5 years

here's DUB->SYD:

HOST: amazon02.ring.nlnog.net Loss% Snt Last Avg Best Wrst StDev

  1. AS16509  ec2-3-248-240-73.eu  0.0%    10    7.1  22.8   1.0 125.7  38.1

  2. AS???    ???                 100.0    10    0.0   0.0   0.0   0.0   0.0

  3. AS???    ???                 100.0    10    0.0   0.0   0.0   0.0   0.0

  4. AS???    ???                 100.0    10    0.0   0.0   0.0   0.0   0.0

  5. AS???    ???                 100.0    10    0.0   0.0   0.0   0.0   0.0

  6. AS???    ???                 100.0    10    0.0   0.0   0.0   0.0   0.0

  7. AS???    100.65.15.3          0.0%    10    0.8   1.1   0.2   6.7   2.0

  8. AS???    100.95.19.145        0.0%    10    0.3   1.4   0.2   5.5   1.9

  9. AS???    100.100.4.12         0.0%    10    0.3   1.1   0.3   7.0   2.1

 10. AS???    150.222.242.237      0.0%    10  254.0 254.0 253.9 254.4   0.2

 11. AS???    52.95.36.164         0.0%    10  257.2 255.7 254.0 257.3   1.3

 12. AS???    150.222.112.139      0.0%    10  253.4 253.9 253.4 255.1   0.5

 13. AS???    150.222.112.142      0.0%    10  259.6 257.8 255.5 266.8   3.5

 14. AS???    52.95.36.143         0.0%    10  255.3 256.1 255.2 261.4   1.9

 15. AS???    52.95.38.17          0.0%    10  255.0 255.6 254.9 259.9   1.6

 16. AS???    ???                 100.0    10    0.0   0.0   0.0   0.0   0.0

 17. AS???    ???                 100.0    10    0.0   0.0   0.0   0.0   0.0

 18. AS???    ???                 100.0    10    0.0   0.0   0.0   0.0   0.0

 19. AS???    ???                 100.0    10    0.0   0.0   0.0   0.0   0.0

 20. AS???    ???                 100.0    10    0.0   0.0   0.0   0.0   0.0

 21. AS???    100.65.16.65         0.0%    10  256.7 279.8 256.7 334.4  26.1

 22. AS16509  amazon08.ring.nlnog  0.0%    10  254.4 254.4 254.3 254.4   0.0

virtuallynathanon AWS inter-region latency chart

Most regions AZs are only a single DC, a few have more than one per AZ.

virtuallynathanon AWS inter-region latency chart

> With cloudping.co, it isn't clear from the website, but it seems like the inter-region latency they measure is over the public Internet

If they are running from AWS to AWS, it's going over the AWS backbone.