@maciejwalkowiak Totally unrelated question, but what monitoring too do you use to graph metrics per deployment version?
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Loïc Carr
1K posts
Loïc Carr
@dimtion
Distributed Systems Sorting linked lists since 1919. https://t.co/eIveyfbZDf @[email protected]
Seattle Katılım Mayıs 2010
319 Takip Edilen87 Takipçiler
The effect of switching id for new records from UUID v4 to UUID v7 on INSERT to a 24 GB PostgreSQL table with 116M rows.
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New blog post: Falsehoods Software Developers Believe About Event-Driven Systems
dimtion.fr/blog/falsehood…
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@zack_overflow @penberg Would it be interesting to have a rust linter rule to make sure an allocator is passed as a parameter upfront for some projects?
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Yes, like how Rust forces you to think about mutability upfront (and that's a good thing for safety and reducing complexity), Zig forces you to think about allocation upfront (and that's a good thing for performance)
In Rust, if I want to use an allocator that is faster for my use-case, I have to change all the code that wants to use the new allocator to accept it as a parameter
It gets tricky because of mutability and references and lifetimes. You basically have to change a lot of code
In Zig, any codepath that allocates memory will accept an Allocator interface anyway. This makes it really easy to use a bump allocator or a general purpose one if you need it
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It's funny how often optimizing fast-path turns into figuring out a better memory allocation pattern. With Rust, I end up writing code with lots of short-lived objects, which can be hard to optimize later. I wonder if Zig has better defaults here with its explicit allocations...
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If your manager said "I'm leaving the company to start my own company, want to join me?" and your answer isn't "Sorry, I couldn't hear you over my mechanical keyboard typing my resignation letter." you need to find a new manager.
don't let me get bangs again@yoadri_n
30+ folks, what is your best piece of professional advice?
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Loïc Carr retweetledi
Certes, l'Allemagne n'a jamais produit d'électricité plus "proprement" que la France en 2023. Pas une heure.
@isgermanyclean
Mais pire : leur meilleure heure de l'année est moins propre que la pire des notres.
#Energiewende
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Loïc Carr retweetledi
Aujourd'hui, j'ai appris que le village de Viganella, dans les Alpes italiennes, ne recevait PAS la lumière directe du soleil, 83 jours par an, à cause des montagnes. Ils ont installé un miroir de 8x5 m piloté par ordinateur qui reflète la lumière du soleil sur le village 6h/j
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Why is it mostly blue checkmarks who form those uninformed opinions...
ry@rywalker
I posted to LinkedIn recently: "Learning Java is a waste of time for today’s college students. It’s not applicable to today’s cutting-edge tech market anymore." and got a lot of disagreement. So let's dig into that hole deeper :)
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AI-assisted code reading with Cursor/GPT is awesome, but sometimes you learn more by being old school and reaching to your bookshelf. Mel Gorman’s book is almost 20 years old now but still helpful!
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Array allocation style: multiply by 2 until it fits your workload
Nikki Pinski, now posting on @nikpin.ski @🟦@pinskinator
Every software engineer's nightmare. "and how did you calculate this thread pool size?" Uhhh "was it the result or a thorough analysis and load test?" Yyyyees. "can we see the results?" Nnnno.
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Loïc Carr retweetledi
warning: very biased opinion
but, for developer tools: you don't need a "PM"
you need "an empathetic engineer, who is so frustrated with the experience of doing their work that they're willing to become a PM to change the state of the world for themselves and their colleagues"
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Why would it have higher overhead?
If anything, Java GC is 1-2 decades ahead of Go's GC. This is actually the very same reason I see little value in Go: for a GCed lang, pick the best in the category, which is Java.
JVM has many and very advanced GCs. Check them out.
Matt Boyle@MattJamesBoyle
@phamduchieu No idea truthfully. Never really dug into the Java GC. Looks like it uses the same algorithm though. Since Java uses the JVM I would imagine it has higher overhead
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If you use git, on a team with more than 1 computer, there are always multiple branches. Whatever your flow be.
Sidu Ponnappa@ponnappa
Repeat after me: Branching is for low trust code contributions in low trust teams. Branching & CI are mutually exclusive. Some reasons to branch: - unknown contributors (oss) - a tech stack that's intrinsically fragile - external compliance - poor quality control practices
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Loïc Carr retweetledi
Just blogged: "Linear code is more readable"
blog.separateconcerns.com/2023-09-11-lin…
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@muratdemirbas Tbf the reason we should not deploy on Friday is because debugging a prod issue over the weekend is very annoying.
If the issue only manifest on Monday, it would be a business as usual.
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Do not deploy on Friday… we have seen a failure in which a weekend load/traffic reduction masked increased resource usage of a new version deployed on Friday. The system failed after the load returned on Monday.
charap.co/metastable-fai…
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A language which is safe to forget the variable names.
Armin Ronacher ⇌@mitsuhiko
I would be super curious what everybody’s definition of a memory safe language is.
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