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Behind the scenes of my talk "Building state-of-art LSM-tree compaction in ScyllaDB" for hydra conf.
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Raphael (Raph) Carvalho
887 posts
Raphael (Raph) Carvalho
@raphael_scarv
working on @ScyllaDB; distributed databases & operating systems; proud husband and father of two;
Planet Earth Katılım Şubat 2016
275 Takip Edilen871 Takipçiler
@LulaOficial ta mas vc sabia que custa 1 milhão pra importar uma máquina de 500k e que isso torna impossível criar uma empresa de IA aqui
imagina querer ter um país relevante onde suas startups precisam competir sem acesso a tecnologia básica kkkk
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Everywhere I go, people keep commenting on how wild it is that I have something working with us straight from *prison*.
Well, no longer.
Tomorrow, at 8 am in the morning, @PThorpe92 is a free man.
Preston is an inspiration to us all. He achieved so much from behind bars. I am sure he will go even higher as a free man.
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Raphael (Raph) Carvalho retweetledi
Here’s a timelapse made from my RAWs if you want to see how this thing was moving
Andrew McCarthy@AJamesMcCarthy
Here's the aftermath of an X-class solar flare, with the Earth for scale. Captured from my backyard in Arizona.
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Join me at Monster Scale Summit for many tech talks on distributed systems. Register at ctt.ec/1F6b5+ #ScyllaDB #monsterscale
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Raphael (Raph) Carvalho retweetledi
The purpose of art was once not to shock or transgress, but to elevate the soul.
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Raphael (Raph) Carvalho retweetledi
BREAKING: MIT just completed the first brain scan study of ChatGPT users & the results are terrifying.
Turns out, AI isn't making us more productive. It's making us cognitively bankrupt.
Here's what 4 months of data revealed:
(hint: we've been measuring productivity all wrong)
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@penberg We're on the same boat. I buy books to have a nice bookshelf behind me and pretend I am a prolific reader
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If i paid good money for a book, I might as well post a picture of it. I mean what else am I supposed to do with it. Read it??
kache@yacineMTB
not saying that this guy is; but 99% of the reason people buy books is to take a picture of the cover and post it on social media, which is why all best selling books have well designed covers now
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For centuries, the Rosary has been a symbol of faith, meditation, and victory.
From the battlefields of Lepanto to the hands of saints, it has shaped history, comforted souls, and inspired devotion.
Here’s how the Rosary became one of the most powerful prayers in Christianity:
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@AJamesMcCarthy Amazing Andrew. keep up the great job.
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I removed the stars from this photo I'm working on. Every object visible here is a galaxy, Most of which are hundreds of millions of LY away.
This was captured using a 12" telescope
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@eatonphil Although a degree is not strictly needed, I don't have one myself, I highly recommend going after one. Depth is very important but breadth is as important for filling gaps and helping you understand how things connect with one another. It's not easy to go for breadth in your own
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Getting a degree is probably always a good idea when you can. You also absolutely don't need a degree to do interesting work in tech.
It might take you time but you can do whatever you want if you stick with it.
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@JohnKoepi the original report has much more details, might shed some light on the investigation process: @mail.gmail.com/T/" target="_blank" rel="nofollow noopener">lore.kernel.org/all/CAKhLTr1UL…
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@raphael_scarv Can we have a post on how did you investigated it and understand what need to be fixed pls
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I fixed linux kernel to make scylladb test suite happy. It's a nice feeling to contribute to linux after so many years, since I switched from OS to DB realm: web.git.kernel.org/pub/scm/linux/…
Patch was upstreamed.
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@emaxerrno this triggered some good old memories of my childhood haha
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my grandma's chancla had drone tracking technology like this. could turn around corners too if you weren't looking.
The Figen@TheFigen_
The mother and her weapon of mass destruction.
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@penberg I know a world class chemist who really believes people were riding dinosaurs in the ancient china.
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I would rephrase this as "I used to think <person> was smart. Then I saw some bat-shit crazy take from them on X, and I realized that while they're smart, that clearly does not extend beyond their area of expertise."
Paul Graham@paulg
I used to think <person> was smart. Then I discovered that he disagrees with me about <political issue>, and I realized he couldn't be, because no one who disagrees with me about <political issue> could be smart.
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@penberg never thought of it this way haha this triggered some old memories of mine of a young Raphael hosting a mmorpg called tibia, and this was the first time I had contact with sqlite. the world map had its own format, but accounts, players, items, etc were all stored on sqlite.
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A game engine is just a reactive database that gets partially visualized every 16 ms or so.
zack@zack_overflow
every program is one of: 1. game engine 2. database 3. compiler or any combination of the three
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retsnoop tool works amazing, and helped me to find a regression in linux kernel, triggered by usage of io_uring + buffered writes in scylladb test suite. the fix will land soon; for further details: @mail.gmail.com/T/#u" target="_blank" rel="nofollow noopener">lore.kernel.org/linux-fsdevel/…
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@paulg small correction: all of them live the same way, but that 1% (maybe 1% is an underestimation? the world doesn't have a small number of hypocrites, does it?!) judges you even though they do the same.
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The more laborious way we entertain people we don't know as well is not for their sake. It's because we worry they'd be shocked if they saw how we actually live. But only 1% of them would be; 99% of them live the same way, when no one's looking.
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When you have good friends over for dinner, you can just eat what and where you normally do. You don't have to shave or change your clothes or cook different food, or eat in the dining room.
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