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How Netflix Accurately Attributes eBPF Flow Logs
By: Cheng Xie, Bryan Shultz, and Christine Xu
New
The latest blog posts to take off on Hacker News. 2,560 posts.
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Faster interpreters in Go: Catching up with C++
A novel technique for implementing dynamic language interpreters in Go, applied to the Vitess SQL evaluation engine
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Emulating an iPhone in QEMU
From black screens and boot issues to rendering quirks and PAC puzzles, here’s what we learned getting iOS to finally say hello.
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Deterministic simulation testing for async Rust
How S2 uses deterministic simulation testing for async Rust to find distributed-systems bugs before they reach production.
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Porting Tailscale to Plan 9
Securely connect to anything on the internet with Tailscale. Built on WireGuard®️, Tailscale enables you to make finely configurable connections, secured end-to-end according to zero trust principles, between any resources on any infrastructure.
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The state of binary compatibility on Linux and how to address it
Learn why Linux binary compatibility breaks when shipping software and what developers can do to fix real-world build and deployment issues.
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Cross-Platform P2P Wi-Fi: How the EU Killed AWDL
This post investigates how we got from Wi-Fi Direct to AWDL to Wi-Fi Aware, what makes Wi-Fi Aware technically superior, and why this shift unlocks true cross-platform peer-to-peer connectivity for developers.
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Building a Linux Container Runtime from Scratch
We're open sourcing our programmatic low-level container runtime, Styrolite
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Fedora 42 Beta
Discover Fedora 42 Beta: New AI-focused features for modern application development
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The real failure rate of EBS
Our experience running AWS EBS at scale for critical workloads
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Zlib-rs is faster than C
We've released version 0.4.2 of zlib-rs , featuring a number of substantial performance improvements. We are now (to our knowledge) the fastest api-compatible zlib implementation for decompression, and beat the competition in the most important compression cases too.
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Making Postgres scale
A war story of manually sharding Postgres across 6 databases under load, and the case for automating the process with a proxy instead of weeks of engineering effort.
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High-performance computing, with much less code
The “Exo 2” language allows programmers to write “schedules” that explicitly control how the compiler generates code. This allows performance engineers to transform simple programs into complex programs that do the same thing as the specification, but faster.
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TinyKVM: Fast sandbox that runs on top of Varnish
TinyKVM can be used to sandbox regular Linux programs or programs with specialized APIs embedded into your servers.
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IO Devices and Latency
Take an interactive journey through the history of IO devices, and learn how IO device latency affects performance.
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Going down the rabbit hole of Git's new bundle-URI
Git's new bundle-uri could help significantly speed up clones, but what bugs lurk within?
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ESP32 Undocumented Bluetooth Commands: Clearing the Air
The developer resources in just one place!
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Polars Cloud: The Distributed Cloud Architecture to Run Polars Anywhere
We introduce Polars Cloud, the distributed cloud architecture to scale and run Polars anywhere.
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Strobelight: A profiling service built on open source technology
We’re sharing details about Strobelight, Meta’s profiling orchestrator. Strobelight combines several technologies, many open source, into a single service that helps engineers at Meta improve effic…
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Postgres Just Cracked the Top Fastest Databases for Analytics
Databricks offers a unified platform for data, analytics and AI. Build better AI with a data-centric approach. Simplify ETL, data warehousing, governance and AI on the Data + AI Platform.
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SQLite-on-the-server is misunderstood: Better at hyper-scale than micro-scale
Learn why SQLite-on-the-server fits hyper-scale systems when each tenant gets an isolated database with local reads, durable storage, and simple…
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BM25 in PostgreSQL
VectorChord-BM25 enhances PostgreSQL search with BM25 ranking, 3x faster than ElasticSearch. Supports BERT, Tocken, and Unicode tokenizers
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Understanding Smallpond and 3FS
A concise breakdown of what smallpond and 3FS are, how to use them, and if they're suitable for your data processing needs.
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Debugging Hetzner: Uncovering failures with powerstat, sensors, and dmidecode
About a year ago, Hetzner launched the AX162 server line. It offered better price / performance than its predecessor, AX161. We were very excited to adopt it, but we soon encountered serious reliability issues. We observed that the new servers had 16 times higher annual failure rates.
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Did the Windows 95 setup team forget that MS-DOS can do graphics?
Oh look what you just made there.
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Extensible WASM Applications with Go
Go 1.24 enhances WebAssembly capabilities with function export and reactor mode
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Tiny JITs for a Faster FFI
Can we have a faster FFI for CRuby? Yes.