httpeople
@httpeople.bsky.social
A curated selection of articles about Systems Programming, Cryptography, and Networking
More databases should be single-threaded — blog.konsti.xyz/more-databas...
More databases should be single-threaded
Last night, I caused something on X by saying that (most) transactional databases should be single-threaded and aggressively sharded:
hot take: databases should be single-threaded
someone a long tim...
blog.konsti.xyz
December 21, 2025 at 8:04 PM
More databases should be single-threaded — blog.konsti.xyz/more-databas...
vm.overcommit_memory=2 is always the right setting for servers — ariadne.space/2025/12/16/v...
vm.overcommit_memory=2 is always the right setting for servers
The Linux kernel has a feature where you can tune the behavior of memory allocations: the vm.overcommit_memory sysctl. When overcommit is enabled (sadly, this is the default), the kernel will typicall...
ariadne.space
December 20, 2025 at 9:03 AM
vm.overcommit_memory=2 is always the right setting for servers — ariadne.space/2025/12/16/v...
A better zip bomb — www.bamsoftware.com/hacks/zipbomb/
A better zip bomb
www.bamsoftware.com
December 19, 2025 at 11:54 PM
A better zip bomb — www.bamsoftware.com/hacks/zipbomb/
From profiling to kernel patch: the journey to an eBPF performance fix — rovarma.com/articles/fro...
From profiling to kernel patch: the journey to an eBPF performance fix | Ritesh Oedayrajsingh Varma
A story about how an innocent profiling session led to a change to the Linux kernel that makes eBPF map-in-map updates much faster.
rovarma.com
December 18, 2025 at 7:38 PM
From profiling to kernel patch: the journey to an eBPF performance fix — rovarma.com/articles/fro...
AI URI Scheme — www.ietf.org/archive/id/d...
AI URI Scheme
This document specifies the experimental ai Uniform
Resource Identifier (URI) scheme. The scheme provides a
dedicated access point for Artificial Intelligence (AI)
resources,...
www.ietf.org
December 16, 2025 at 9:04 PM
AI URI Scheme — www.ietf.org/archive/id/d...
Put a ring on it: a lock-free MPMC ring buffer — h4x0r.org/ring/
Put a ring on it: a lock-free MPMC ring buffer
Fixed-size ring buffers with full lock freedom
h4x0r.org
December 16, 2025 at 1:53 PM
Put a ring on it: a lock-free MPMC ring buffer — h4x0r.org/ring/
Can I use HTTPS RRs? — www.netmeister.org/blog/https-c...
Can I use HTTPS RRs?
A quick
summary of which browsers support RFC9460 HTTPS DNS
records and to what extent as of December 2025.
www.netmeister.org
December 12, 2025 at 11:16 PM
Can I use HTTPS RRs? — www.netmeister.org/blog/https-c...
Hunting for North Korean Fiber Optic Cables — nkinternet.com/2025/12/08/h...
Hunting For North Korean Fiber Optic Cables
Before we go any further, one thing that I want to make clear is that the word assume is going to be doing some heavy lifting throughout this post. This was a rabbit hole that I recently went down …
nkinternet.com
December 8, 2025 at 7:17 PM
Hunting for North Korean Fiber Optic Cables — nkinternet.com/2025/12/08/h...
An Interactive Guide to thr Fourier Transform — betterexplained.com/articles/an-...
An Interactive Guide To The Fourier Transform – BetterExplained
betterexplained.com
December 7, 2025 at 8:05 PM
An Interactive Guide to thr Fourier Transform — betterexplained.com/articles/an-...
Kea DHCP:
Modern, open source DHCPv4 & DHCPv6 server — www.isc.org/kea/
Modern, open source DHCPv4 & DHCPv6 server — www.isc.org/kea/
Kea DHCP
Modern, open source DHCPv4 & DHCPv6 server
www.isc.org
December 4, 2025 at 1:16 AM
Kea DHCP:
Modern, open source DHCPv4 & DHCPv6 server — www.isc.org/kea/
Modern, open source DHCPv4 & DHCPv6 server — www.isc.org/kea/
What is Shor’s Algorithm - And What It’s the Single Biggest Threat to Classical Cryptography — blog.ellipticc.com/posts/what-i...
What Is Shor's Algorithm - And Why It's the Single Biggest Threat to Classical Cryptography
One algorithm. One quantum computer. Every RSA key, every ECC key, every Bitcoin wallet you ever created becomes readable or forgeable in minutes. This isn't sci-fi. This is math.
blog.ellipticc.com
November 28, 2025 at 10:58 PM
What is Shor’s Algorithm - And What It’s the Single Biggest Threat to Classical Cryptography — blog.ellipticc.com/posts/what-i...
Is DWPD Still a Useful SSD Spec? — klarasystems.com/articles/is-...
Is DWPD Still a Useful SSD Spec? - Klara Systems
Is DWPD still a valid SSD endurance metric—or marketing smoke? We break down what it means, what it hides, and what to trust instead.
klarasystems.com
November 26, 2025 at 8:13 PM
Is DWPD Still a Useful SSD Spec? — klarasystems.com/articles/is-...
Towards interplanetary QUIC traffic — ochagavia.nl/blog/towards...
Towards interplanetary QUIC traffic
Have you ever asked yourself which protocols get used when downloading pictures from the Perseverance Mars rover to Earth? I hadn’t thought about that either, until I came across an intriguing message...
ochagavia.nl
November 18, 2025 at 5:29 AM
Towards interplanetary QUIC traffic — ochagavia.nl/blog/towards...
Using XDP for Egress Traffic — loopholelabs.io/blog/xdp-for...
Using XDP for Egress Traffic
XDP only works for ingress. We found a loophole that lets it work for egress. Here's how we did the impossible.
loopholelabs.io
November 5, 2025 at 9:19 PM
Using XDP for Egress Traffic — loopholelabs.io/blog/xdp-for...
Measuring characteristics of TCP connections at Internet scale — blog.cloudflare.com/measuring-ne...
Measuring characteristics of TCP connections at Internet scale
Researchers and practitioners have been studying connections almost as long as the Internet that supports them. Today, Cloudflare’s global network receives millions of connections per second. We explo...
blog.cloudflare.com
November 3, 2025 at 8:49 PM
Measuring characteristics of TCP connections at Internet scale — blog.cloudflare.com/measuring-ne...
Today I Learned: binfmt_misc — dfir.ch/posts/today_...
Today I learned: binfmt_misc | dfir.ch
Technical blog by Stephan Berger (@malmoeb)
dfir.ch
October 31, 2025 at 10:22 PM
Today I Learned: binfmt_misc — dfir.ch/posts/today_...
HTTPS by default — security.googleblog.com/2025/10/http...
HTTPS by default
One year from now, with the release of Chrome 154 in October 2026, we will change the default settings of Chrome to enable “Always Use Secu...
security.googleblog.com
October 29, 2025 at 7:15 AM
HTTPS by default — security.googleblog.com/2025/10/http...
The Journey Before main() — amit.prasad.me/blog/before-...
The Journey Before main() | Amit's Blog
amit.prasad.me
October 26, 2025 at 3:21 PM
The Journey Before main() — amit.prasad.me/blog/before-...
Why SSA? [compilers] — mcyoung.xyz/2025/10/21/s...
Why SSA? · mcyoung
mcyoung.xyz
October 22, 2025 at 8:46 PM
Why SSA? [compilers] — mcyoung.xyz/2025/10/21/s...
Linux capabilities revisited — dfir.ch/posts/linux_...
Linux Capabilities Revisited | dfir.ch
Technical blog by Stephan Berger (@malmoeb)
dfir.ch
October 22, 2025 at 7:41 PM
Linux capabilities revisited — dfir.ch/posts/linux_...
Solve the GPU Cost Crisis with kvcached — www.notion.so/yifanqiao/So...
Solve the GPU Cost Crisis with kvcached | Notion
— A library to enable virtualized, elastic KV cache for LLM serving on shared GPUs
www.notion.so
October 21, 2025 at 8:56 PM
Solve the GPU Cost Crisis with kvcached — www.notion.so/yifanqiao/So...
How to stop Linux threads cleanly — mazzo.li/posts/stoppi...
How to stop Linux threads cleanly
Stopping a Linux thread is a surprisingly annoying affair. In this post I present common pitfalls and some solutions -- although no truly satisfactory method exists.
mazzo.li
October 21, 2025 at 12:11 PM
How to stop Linux threads cleanly — mazzo.li/posts/stoppi...
Entire Linux Network Stack Diagram — zenodo.org/records/1417...
Entire Linux Network stack diagram
Diagram of entire Linux Network Stack, including: Virtualization and Linux containers: Emulation and Paravirtualization. Network sockets. Network stack: Upper layer of Network stack (TCP, UDP). Low la...
zenodo.org
October 20, 2025 at 7:52 AM
Entire Linux Network Stack Diagram — zenodo.org/records/1417...
Wireshark 4.6.0 Supports macOS pktap Metadata (PID, Process Name, etc.) —
nuxx.net/blog/2025/10...
nuxx.net/blog/2025/10...
Wireshark 4.6.0 Supports macOS pktap Metadata (PID, Process Name, etc.) – nuxx.net
nuxx.net
October 14, 2025 at 4:30 PM
Wireshark 4.6.0 Supports macOS pktap Metadata (PID, Process Name, etc.) —
nuxx.net/blog/2025/10...
nuxx.net/blog/2025/10...
README | HTTP/3 Explained — http3-explained.haxx.se
README | HTTP/3 explained
http3-explained.haxx.se
October 13, 2025 at 10:04 PM
README | HTTP/3 Explained — http3-explained.haxx.se