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The real failure rate of EBS
Our experience running AWS EBS at scale for critical workloads
New
The latest blog posts to take off on Hacker News. 6,945 posts.
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After 47 years, OpenVMS gets a package manager (VSP)
Published: 17-03-2025 20:33 | Author: Remy van Elst | Text only version of this article
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Archival Storage
I gave a talk at the Berkeley I-school's Information Access Seminar entitled Archival Storage . Below the fold is the text of the talk with...
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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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Selective async commits in PostgreSQL – balancing durability and performance
Safely leverage PostgreSQL's asynchronous commit for significant performance gains
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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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In S3 simplicity is table stakes
From simple object storage to sophisticated table management, builders have always shaped S3's evolution. Andy Warfield discusses why making complex systems simple remains our north star at AWS.
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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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The Future Is Niri
The worst "street-cred" I have is that I've been using tiling window managers for thirty-five percent of my life: five years with Sway and two...
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ESP32 Undocumented Bluetooth Commands: Clearing the Air
The developer resources in just one place!
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Improving on std:count_if()'s auto-vectorization
To start off, we can leverage the STL for this calculation. std::count_if() more precisely:
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An epic treatise on error models for systems programming languages
Musings on the representation, propagation and handling of errors in existing programming languages, as well as thoughts on future systems. (15K+ words)
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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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Exploring Polymorphism in C: Lessons from Linux and FFmpeg's Code Design (2019)
Learn how Linux/FFmpeg C partial codebase is organized to be extensible and act as if it were meant to have “polymorphism”. Specifically, we’re going to briefly explore how Linux …
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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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NetBSD on a JavaStation
Hard as it may be to imagine, there was a time when Java was brand new and exciting. Long before it became the vast clunky back-end leviathan it is today, it was going to be the ubiquitous graphical platform that would be used on everything from cell phones to supercomputers: write once, run anywhere. Initially …
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Why fastDOOM is fast
During the winter of 2024, I restored an IBM PS/1 486-DX2 66Mhz, "Mini-Tower", model 2168. It was the computer I always wanted as a teenager but could never afford. Words cannot do justice to the joy I felt while working on this machine.
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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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The power of interning: making a time series database smaller
This week-end project started by browsing the open-data repository of Paris’ public transport network, which contains various APIs to query real-time departures, current disruptions, etc.The data reuse section caught my eye, as it features external projects that use this open data.In particular, the RATP status…
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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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Abusing C to implement JSON parsing with struct methods
Json parsing in C using function pointers attached to a struct
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When eBPF pt_regs reads return garbage on the latest Linux kernels, blame Fred
TLDR; Starting from Linux kernel version 6.9 on x86_64, there’s a new config option CONFIG_X86_FRED enabled and it adds 16 bytes to the starting point of a task’s kernel stack area, so you’ll need to account for this extra padding in your “raw” kernel stack & pt_regs lookup code. Update: It turns out that there’s a…
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3,200% CPU Utilization
A while back my machine was so messed up that I could barely ssh onto it. 3,200% CPU utilization - all 32 cores on the host were fully utilized! Compare that to my last bug where it only used 1 core, 100% Fortunately, it was using Java 17 runtime which...