6631
The next operating system: building an OS for hundreds, thousands of cores
Operating systems for multicore chips will need more information about their own performance — and more resources for addressing whatever problems arise.
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 6,944 posts.
6632
Reed-Solomon error recovery in RAID-6
A post describing a simple example how you can create your own manual error recovery solution based on what is used in RAID-6, in Python.
6633
6634
6635
6636
6637
6638
An important safety note about chown and symlinks (also chmod and chgrp)
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
6639
6640
Systems, not Programs
We need programming, but do we need the program?
6641
Pocket Watch: Verifying Exabytes of Data
Dash knows your context, your team, and your work, so your team can stay organized, easily find and share knowledge, and keep projects secure, all from one place.
6642
The Curious Case of Linux Containers
The next person that says “Linux Containers will solve all our problems” is going to get taken out back and shot. This is a surefire way to…
6643
Basic Concepts of High Availability Linux
When considering to build a high availability cluster based on Linux, it’s easy to find all kinds of how-to’s explaining the basic tooling and configuration. Most of them forget to explain some of the basic concepts of high availability. In this post I’ll try to explain them. To build a high availability cluster that…
6644
Writing a NetBSD kernel module
Kernel modules are object files used to extend an operating system’s kernel functionality at run time .
6645
How to check if your Apple Silicon Mac is booting securely
How to check your Mac is booting in Full Security, and how to read its log to verify all the key steps involved in that process.
6646
Implementing strcmp, strlen, and strstr using SSE 4.2 instructions (2008)
Created 18 years ago by Peter Kankowski Last changed 17 years ago Contributors : Dap and Adam Messinger Filed under Low-level code optimization
6647
ZFS on Linux still has annoying issues with ARC size
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
6648
What Outranks Thread Priority?
This investigation started, as so many of mine do, with me minding my own business, not looking for trouble. In this case all I was doing was opening my laptop lid and trying to log on.The first fe…
6649
Breaking the Chain
Posted by James Forshaw, Wielder of Bolt Cutters.Much as we’d like it to be true, it seems ...
6650
Detecting file changes on macOS with kqueue
A while ago I wrote a small file watcher in Go for my own use with an accompanying blog post . I needed a tool that I could just plop in front of the command I was running as part of my iteration loop. I use it for recompiling C files when I modify them,
6651
Implementing Raft: Part 2: Commands and Log Replication
This is Part 2 in a series of posts describing the Raft distributed consensus algorithm and its complete implementation in Go. Here is a list of posts in the series:
6652
Simple Networking in Linux
Industrial production of readable insanity
6653
6654
The Technology Behind Making the Internet Archive into the Worlds Worst DVR
Take a moment to go back in time with me, back to when life was simpler and the biggest threat to humanity was Y2k…
6655
6656
An initial investigation into WDDM on ReactOS
ReactOS is a free, opensource reimplementation of windows
6657
Containers and Unikernels: Similar, different, and intertwined
The millisecond compute layer used for sandboxes, headless browsers, CI/builds, functions / Agents / Databases and much more. Instant boot, VM-grade isolation, and millisecond scale-to-zero, so you can ship with superior economics. Deploy on-prem, BYOC or on dedicated hosts — you own the entire stack.
6658
V8: Behind the Scenes (December Edition)
Personal website of Benedikt Meurer, JavaScript Engine Hacker and Programming Language Enthusiast.
6659
Cranelift, Part 3: Correctness in Register Allocation
This post is the last in a three-part series about Cranelift . In the first post , I covered overall context and the instruction-selection problem; in the second post , I took a deep dive into compiler performance via careful algorithmic design.
6660
Linux perf rides the rocket
Kernel Line Tracing: Linux perf Rides the Rocket