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antongribok

1,355 karma · joined December 15, 2015

I'm just a Linux Sysadmin with 25 years of experience, the last 17 years working on distributed storage.
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antongribok··on Internet Archive Infrastructure
You will always have overhead.

In the video they mention storing everything in regular files on the filesystem. A regular filesystem would have inode overhead as well. XFS by default has 512 byte inodes (it can be more if you format it with bigger inodes, like you would for Ceph's Filestore backend).

For a lot of workloads Ceph's default erasure coding scheme (and Bluestore) would still be a lot more efficient than mirroring a file on top of a regular filesystem.

antongribok··on Achieving 11M IOPS and 66 GB/S IO on a Single ThreadRipper Workstation
Great article!

Any chance you could post somewhere the output of:

  lstopo --of ascii
Or similar?
antongribok··on Hardkernel adds 4x 2.5Gbps to H2
What did you buy?
antongribok··on Ask HN: Predictions for 2021?
A new Raspberry Pi will be released in either the "Zero" or the "A" form factor.

HN will continue to complain about the MicroSD card reliability.

The new board will sell well.

antongribok··on The Xonsh Python Shell
I just want to say thank you for Xonsh!

I've been using it as my default shell for the past 2 years, and now I pretty much can't work without it.

Thank you, thank you, thank you!

antongribok··on Cloud Native Computing Foundation Announces Rook Graduation
I run ~100-200 PB of Ceph object and block storage. I've run Ceph in production at my current and previous employers, both Fortune 100 companies since 2013.

Ceph is used at Fidelity, Bloomberg, OVH, Digital Ocean, CERN, Walmart, and some Canadian and European universities, and last but not least at DreamHost.

antongribok··on Ami, a tiny cube on wheels that French 14-year-olds can drive
Everyone here is talking about licensing requirements, but I'm very curious about something else...

What would insurance requirements look like for this?

antongribok··on Analog Terminal Bell
I like your idea of putting everything inside the bell. I wonder if you could replace the solenoid with just an electric magnet that would pull down the button from inside.

Totally unrelated, I have one project that I keep thinking about starting every time I turn on my monitor in the morning...

I want to connect an RPi Zero to the serial port on my monitor, so that instead of pressing multiple buttons to change the input or color profiles (for day vs night), I could hit a dedicated set of buttons instead.

One physical button might issue multiple commands over serial to the monitor.

I'm thinking of doing this with a Raspberry Pi simply for convenience... I'm sure someone here will suggest doing it with something much smaller, and they'd probably be right.

antongribok··on ReMarkable 2.0 – A digital notebook that feels like paper
Looks like there is an Engadget review from earlier today: https://www.youtube.com/watch?v=jVhTtl2iPkg
antongribok··on Dependency
NTP
antongribok··on Wait until you get to picture #30 1875 Howard County Sheriff's House and Jail
I mean the "MO" in the address kind of gives it away.

Also, that zip code is not anywhere near the east coast.

antongribok··on Wait until you get to picture #30 1875 Howard County Sheriff's House and Jail
I think you mean Missouri, not Maryland.
antongribok··on Linus Torvalds: 'I Do No Coding Any More'
Because code (along with comments) can go away, but commit history will stay.
antongribok··on A Photographer Who Tinkers with Time (2015)
While the slow motion work is very cool, somehow what got me even more fascinated is his earlier "Urban Flow" work with "scan camera panoramas".

This article briefly mentions it at the end, but I didn't understand it until I saw one of his videos explaining it:

https://youtu.be/N0A263UDtqM?t=776

I'm guessing this would be fairly trivial reproduce with a regular digital camera by taking a normal video, and convert it into a "scan photograph" with an ffmpeg plugin or something like that.

I wonder if something like this already exists?

antongribok··on Intel's flagship 10th-gen desktop CPU has 10 cores, reaches 5.3GHz
So, $488 for 10x 3.7 GHz Intel vs. $409 for 12x 3.8 GHz AMD?

I'll take one AMD Ryzen 9 3900X, thanks MicroCenter!

antongribok··on Avatarify lets users run realtime deepfakes on live video calls
And good news... this works with other services, not just Zoom.
antongribok··on Google bans Zoom from employees' computers
Same experience with Fedora on Wayland. Zoom is solid: audio, video, screen sharing. True for very large calls too.

Nothing else comes close on Linux for me.

antongribok··on Show HN: JSON API and Graphs for Coronavirus Cases
There was a recent thread asking about this kind of dashboard:

https://news.ycombinator.com/item?id=22642370

Lots of very good resources there.

antongribok··on Sanoid – Replication and Backups with ZFS
I would say ZFS would be a lot closer to NetApp.

For Isilon, a better comparison would be Ceph. With Ceph you can have a cluster of 10s or 100s of servers, and you can lose 1 disk, or 1 server, or 1 rack or servers and it will recover very quickly.

As long as your minimum requirements for your type of replication or erasure coding profile are satisfied, your data stays safe and available.

antongribok··on Tell HN: Verizon quietly deleted my YahooMail inbox after 1 year of inactivity
For Gmail they have Google Takeout:

https://en.m.wikipedia.org/wiki/Google_Takeout

Actually works very well.

antongribok··on Samsung accidentally sends 'Find My Mobile' notifications to Galaxy phones
On my S10+ the option to disable Pay Mini seems to be called: "Use Favorite Cards" (not "Quick Access").
antongribok··on Samsung accidentally sends 'Find My Mobile' notifications to Galaxy phones
A better article perhaps:

https://www.androidcentral.com/samsung-accidentally-sends-ou...

antongribok··on Ask HN: Have you ever managed someone paid more than you?
I have seen this at two Fortune 50 companies firsthand. This happens usually when there is a reorganization and people move around (at least in my two anecdotal cases).

Essentially you have a very valuable individual contributor who is good at what he does, and he wouldn't be as valuable if he was forced to be a manager.

The manager above him understands this.

antongribok··on Ask HN: How do you responsibly report security bugs to open-source projects?
If you are talking about a project with a single maintainer, why is not OK to search for emails in the commit logs?

For a small project I think it's perfectly fine if you feel this DOS attack is a legitimate concern.

antongribok··on Ask HN: What printer do you recommend for rare printing?
I got pissed off supporting my parents' non-stop issues with inkjet printers, and bought them a nice Brother laser printer with duplex printing about 15 years ago.

This year I replaced it with another Brother Laser, and in between then and now, I've only had to buy a toner cartridge about once every 3 years or so.

Zero other issues. Worth every penny.

At home I have a cheap Samsung M2820DW (duplex as well).

Both Brother and Samsung seem to have good Linux support.

antongribok··on Open Connect
I had the privilege of partnering with Sanmina a few years ago, and they had the most innovative designs I've seen to date for storage.

My favorite one was where you could stuff equivalent of 30 2.5" SSDs in 1U.

antongribok··on Paychecks Disappearing from Capital One Checking Accounts
They've been down for hours for me.

Probably not so funny if you're really impacted, but Twitter is pretty funny:

https://twitter.com/search?q=capitalone

antongribok··on Ask HN: Feasible Alternative to the MacBook Pro?
Came here to post about the LG Gram 17 as well. I too have never seen anything like it. I bought mine from Costco for $1200. They seemed to have some exclusive model where the specs are exactly the same as yours, but it only came with a 256 GB SSD, all other specs are the same (the model number has one character different: 17Z990-R.AAS7U1 vs. your 17Z990-R.AAS8U1).

The 16:10 screen is excellent. The battery life for me is about 16 hours, enough for a 2-day stretch, and I can go on a short business trip without ever having to plug in.

I transferred my 3 year old Fedora install with dd from an XPS 13, and then upgraded from 29 to 30 with zero issues.

Edit to add: Mine fits in a backpack meant for a 15" laptop.

antongribok··on An Antique Toaster That's Better Than Today’s [video]
A sad state - I struggle to say if this is serious or satire.
antongribok··on Tethered Jailbreaks Are Back
Are you talking about this?

https://github.com/termux/termux-app/issues/655

Or is there some new development I [1] should be concerned about?

1. Just a regular user of Termux.

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