OTP 22 Highlights - Erlang/OTP
OTP 22 has just been released. It has been a long process with three release candidates before the final release. We decided this year to try to get one month more testing of the major release and I think that the extra time has paid off. We’ve received many bug reports from the community about large and small bugs that our internal tests did not find. This blog post will describe some highlights
同時接続 700 万、秒間 2 万通という Nintendo Switch 向けプッシュ通知システム NPNS の資料を読んで
AWS Summit Tokyo 2018 で実施されたセッション資料・動画をダウンロードすることができます。（順次公開） ※AWS Summit 2018 へお申し込みいただいていない場合、別途ダウンロード申し込みが必要となります。… 【任天堂様ご登壇事例】Nintendo Switch （TM） 向けプッシュ通知システム「NPNS」AWS はよくわからないので Erlang/OTP 視点のみです。 ejabberdejabberd はフランスの ProcessOne という会社が開発している XMPP サーバです。XMPP が何かはここでは説明しません。 ejabberd は TLS や XML 周りの性能を出すため C で書かれている以外、他はすべて Erlang/OTP で書かれています。 ejabberd の歴史はとても古く、自分が Erlang を学び始めた頃にはすでにありまし
GitHub - msantos/epcap: Erlang packet capture interface using pcap
$ mkdir -p ebin $ erlc +debug_info -I _build/default/lib -o ebin examples/*.erl # Allow your user to epcap with root privs sudo visudo youruser ALL = NOPASSWD: /path/to/epcap/priv/epcap # And if requiretty is enabled, disable it by using one of these Defaults!/path/to/epcap/priv/epcap !requiretty Defaults:youruser !requiretty rebar3 shell % Start the sniffer process sniff:start_link(). % Use your
Erlang Performance Lab
Witajcie Pracujemy nad serwisem w pocie czoła i wkrótce startujemy. Trzymajcie kciuki. Naszym celem jest informowanie o działaniach i integracja polskiej społeczności zainteresowanej treściami nt. programowania. Interesują Cię poniższe materiały? materiały wideo, portale, blogi, szkolenia, kursy, webinaria, konferencje naukowe, tematyczne i popularne, studia, książki, i wiele innych treści. Będzie
Erlang/OTP 20.0 is released
Erlang/OTP 20.0 is a new major release with new features, quite a few (characteristics) improvements, as well as a few incompatibilities. There are only minor changes compared to the second release candidate, some of them listed below: ERTS: * erlang:term_to_binary/1 changed the encoding of all atoms from ATOM_EXT to ATOM_UTF8_EXT and SMALL_ATOM_UTF8_EXT. This is now changed so that only atoms act
TCP incast: What is it? How can it affect Erlang applications? | Humans and Hippos in Harmony
So, what’s the deal with the “TCP incast” pattern? Never heard of it? Join the club. I’ve been wearing a developer hat for too long and not wearing my sysadmin and network manager hats. And the publications about Ethernet microbursts and the TCP incast pattern have been hiding in conference proceedings & journals that I don’t follow. (Note to self: change reading habits.) If you’d rather read
Special Processes in OTP
On a recent Elixir project, I needed to test some asynchronous behaviour. Doing so led me to learn about the basics of special processes in OTP. Our project was using Phoenix Channels and had a need to keep track of all connected socket processes. We could have used the upcoming Phoenix presence feature, but we didn’t quite need all of its features. We settled on using a simple GenServer process t
Welcome, adventurer! — BEAM VM Wisdoms
Welcome, adventurer!¶ This is the collection of easy to read (ELI5) articles as well as in-depth knowledge such as VM internals, memory layout, opcodes etc. The project is work in progress, so come back soon! Github repository for pages https://github.com/kvakvs/beam-wisdoms Latest¶ 2019-03-03 Binary match opcodes added to the instruction list 2018-12-30 Try/catch opcodes added to the instruction
Erlang -- The Seven Myths of Erlang Performance
Expand All Contract All Chapters Introduction Top of chapter Purpose Prerequisites The Seven Myths of Erlang Performance Top of chapter Myth: Tail-Recursive Functions are Much Faster Than Recursive Functions Myth: Operator "++" is Always Bad Myth: Strings are Slow Myth: Repairing a Dets File is Very Slow Myth: BEAM is a Stack-Based Byte-Code Virtual Machine (and Therefore Slow) Myth: Use "_" to Sp
Docs in the Shell - Erlang Solutions
A battle-tested programming language designed for the concurrency demands of modern computing. Erlang is a programming language designed with high availability in mind. It’s used to build massively scalable soft real-time systems with requirements on high availability. As a result, it is the best programming language to solve many of today’s computing problems. Many of the worlds largest banking,
The Erlangelist - Outside Elixir
Hi, I'm Saša Jurić, a software developer with many years of professional experience in programming of web and desktop applications using various languages, such as Elixir, Erlang, Ruby, JavaScript, C# and C++. I'm also the author of the Elixir in Action book. In this blog you can read about Elixir, Erlang, and other programming related topics. You can subscribe to the feed, follow me on Twitter or
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GitHub - msantos/ewpcap: Portable native Erlang raw socket interface using pcap
A Comparison between Rust and Erlang
One and Only One Process in a Distributed System
Empowering Devices for IoT with Erlang and FPGA
Tail Call Optimization in Elixir & Erlang – not as efficient and important as you probably think
Deny Capabilities for Safe, Fast Actors | the morning paper
GitHub - cuter-testing/cuter: A concolic testing tool for the Erlang functional programming language.
Family Ties: Comparing Erlang and Elixir