Latest #beam Threads 
I’m the author of Mob. If you haven’t checked it out, please do. https://mobframework.com/
Mob does a lot with NIFs as that’s the bridge...
New
JIT is limited in some special environments because they don’t allow modifying memory and then executing it (RW → RX) for security reason...
New
Episode 302 of Thinking Elixir. News includes Mob, an exciting new framework that brings BEAM-on-device mobile development to Elixir with...
New
Edit: 2026 May 15 - This post is archived.
Mob is alive!!
Main docs: mob v0.7.11 — Documentation
A bit of explanation for the slightly c...
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Every protocol you’ve shipped assumes the spec doesn’t change during the connection. This one doesn’t. Code is typed, composable, content...
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A first-principles guide to process-based concurrency — what makes BEAM different, how OTP encodes resilience into architecture, and why ...
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We have an Elixir tech talk on Jan 22, 2026, at 7:00 PM (CET) :sunny:
Subject:
Power of Process Orchestration: Why BPMN and OTP are a P...
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For this month, we’ll be getting an introduction to Tele from the creator Harley Swick.
Tele is a radically simplified syntax for Erlang...
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Episode 284 of Thinking Elixir. News includes José Valim announcing that Elixir v1.20 is well underway with full-type inference possibly ...
New
Hey there,
after managing to get my little side project running and deployed I wanted to try out BEAM’s inspection features. But someho...
New
This Week's Trending
This Month's Trending
I’m the author of Mob. If you haven’t checked it out, please do. https://mobframework.com/
Mob does a lot with NIFs as that’s the bridge...
New
This Year's Trending
Edit: 2026 May 15 - This post is archived.
Mob is alive!!
Main docs: mob v0.7.11 — Documentation
A bit of explanation for the slightly c...
New
Is anyone aware of a guide that describes the optimal, or even just recommended, VM configuration options for specific deployments?
Sche...
New
On my development VM (specs see below) - starting an elixir / erlang container takes up 2G of physical memory while running iex locally o...
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Hi!
I have a PR on the elixir repo that adds support for gleam in Mix.
There you’ll find the instructions to test the feature before it...
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Join us for the FIRST EVER Code BEAM Lite Vancouver and share your expertise with the West Coast BEAM community! :canada:
Be part of thi...
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How do you explain BEAM to someone who’s never used it?
In this talk, Piotr Nosek takes a playful approach with the question: how would ...
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Hi all,
I’m running an Elixir app on ECS Fargate, and occasionally the task is being killed with:
exitCode: 137
OutOfMemoryError: Conta...
New
JIT is limited in some special environments because they don’t allow modifying memory and then executing it (RW → RX) for security reason...
New
Hey folks! :waving_hand:
I think I have an interesting optimization challenge, let me know what you think…
A few months ago, I created ...
New
For this month, we’ll be getting an introduction to Tele from the creator Harley Swick.
Tele is a radically simplified syntax for Erlang...
New
A first-principles guide to process-based concurrency — what makes BEAM different, how OTP encodes resilience into architecture, and why ...
New
Episode 284 of Thinking Elixir. News includes José Valim announcing that Elixir v1.20 is well underway with full-type inference possibly ...
New
Episode 302 of Thinking Elixir. News includes Mob, an exciting new framework that brings BEAM-on-device mobile development to Elixir with...
New
Hey there,
after managing to get my little side project running and deployed I wanted to try out BEAM’s inspection features. But someho...
New
Every protocol you’ve shipped assumes the spec doesn’t change during the connection. This one doesn’t. Code is typed, composable, content...
New
Last Three Year's Trending
As a developer with experience in many languages, Elixir feels very attractive to me because of its (and in general the OTP platform’s) u...
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Whether you’re developing a small web site or a large-scale distributed system, Erlang and Elixir are great tools for building server-sid...
New
:erlang.memory(:total) shows 54877864,
VIRT shows 4G.
When I do ulimit -Sv 1048576 app just fails to start with error:
erts_mmap: Fail...
New
Alexander Koutmos @akoutmos
Elixir Patterns aims to surface the powerful and unique characteristics of the Erlang virtual machine and sho...
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Curious: Can you think of any desktop apps where having Beam VM would be beneficial?
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BeamFile is mainly a wrapper around the Erlang module :beam_lib.
BeamFile provides different views to the data in a BEAM file: BeamFile....
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Join the major European event for Erlang and Elixir users
2 days of talks, discussions and networking for the BEAM community, a conferenc...
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Hey all! New to the BEAM and Beam related languages, but it overall seems really cool. I’m still working my way through the tutorials, bu...
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Since we have deprecated our Erlang sections (as we have dedicated Erlang Forums now) let’s add this thread for those who’d like to post ...
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Hello BEAM Enthusiasts,
I have had too much free time since my layoff last year, and after several attempts at bootstrapping other proje...
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Hi, we’re using libcluster + horde to manage process balancing of some genservers. So, we want to get the security right and have an encr...
New
I was looking into lunatic which is a BEAM inspired framework for rust/wasm applications.
Seems pretty cool and it raised a concern I’ve...
New
I’m developing a terminal UI application. The structure of the application is like so:
Core logic is handled by Elixir
Interacting with...
New
6 trainings with experts during Code BEAM Europe 2023 (5 in Berlin, 1 virtual)
Before the conference and all the great talks, we bring t...
New
Hi Elixir community :blush:
I’m having some trouble getting the BEAM VM to exit with exit code 0 upon auto-shutdown of the top-level sup...
New
Trending Over Three Years
Hi everyone, im working on find best language/framework/system for
high concurrency, high performance and stable performance
after wor...
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I’ve got some requests misbehaving, and processes handling them suddenly allocate a lot of memory, which can crash my Beam VM.
I can mon...
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I’ve been looking at my application in terms of resource usage. It’s a simple SQS consumer that calls some APIs and is under a very small...
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Piggy backing a bit on @dvcrn topic BEAM optimization for functions with static return type?, I’ve been trying to understand in a deeper ...
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Is it possible to decompile BEAM files with :debug_info chunk to actual Elixir source code? This data is from :debug_info
iex(2)> Sec...
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I have some questions about this:
Is everything compiled and ran by mix already using hipe, after running iex I see that hipe shows on ...
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Since it looks like the Mac OS 10.15 Catalina release is officially scheduled for “any day now”, has anybody been using the catalina beta...
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Hi,
Is it possible to somehow limit the memory usage of the Erlang virtual machine? I’m on a shared server and I don’t have root access....
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I am wondering if it is possible to run a process from a beam language on the GPU and if so how?
Being able to spawn a process on the GP...
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Just went through this great discussion thread on Big Data with Elixir and looking at this diagram I couldn’t help but ask can Broadway b...
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HiPE is the runtime and compiler support for native code generation of Erlang modules that some of you might have tried, it is part of th...
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So, there is another Erlang VM on the way :hugs:
New
I assume its a beam issue i have. I don’t know honestly.
Setup
my project contains fallowing module:
defmodule MyApp.Access do
def p...
New
What is the best practice for implementing a library for use in both Elixir and Erlang? My goals include:
minimize code duplication
fee...
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Hello everyone!
Erlang Performance Lab is a tool for developers working with the BEAM, which aims to help with analysis of performance a...
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