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The most popular blog posts about systems & performance on Hacker News. 190 posts.
The etcd key-value store is a distributed system intended for use as a coordination primitive. Like Zookeeper and Consul , etcd stores a small volume of infrequently-updated state ( by default, up to 8 GB ) in a key-value map, and offers strict-serializable reads, writes and micro-transactions across the entire…
The latest trend in AI is that larger natural language models provide better accuracy; however, larger models are difficult to train because of cost, time, and ease of code integration. Microsoft is releasing an open-source library called DeepSpeed, which vastly advances large model training by improving scale, speed…
See how ClickHouse delivers faster query performance on 500 billion rows of data compared to ScyllaDB, leveraging an Intel NUC mini PC, advanced compression, and materialized views.
It's been one year since we moved GitLab.com to Kubernetes. We unpack the challenges and learnings from this major migration.
This post is the first post in linux kernel series. Writing code to run in the kernel is different from user application. While developing in the kernel, you don’t write code from scratch, you need to implement one or more interfaces and register your implementation within the a kernel subsystem.
I’m delighted to announce Swift Atomics, a new open source package that enables direct use of low-level atomic operations in Swift code. The goal of this library is to enable intrepid systems programmers to start building synchronization constructs (such as concurrent data structures) directly in Swift.
Teleport’s Enhanced Session Recording feature can add vital extra visibility into commands being run on your systems.
Dgraph is a graph database which aims to provide scalable, highly-available, and snapshot-isolated transactions over a labeled directed graph, while minimizing network communication for performance. Conceptually, Dgraph stores a set of (entity, attribute, value) triples. Entities (also known as subjects), are compact…
Posted by Platform Hardening Team In Android 11 we continue to increase the security of the Android platform. We have moved to safer def...
We announce the technology preview of NGINX support for QUIC+HTTP/3 as pre-release software, available for interoperability testing, feedback, and code contributions. HTTP/3 replaces TCP with QUIC, which is designed to support multiplexed connections more reliably.
Blog posts about GNU Guix.
Redis is a fast single-threaded data structure server, commonly used as a cache, scratchpad, queue, or coordination mechanism between distributed applications. It offers operations over a broad array of datatypes , including binary blobs, lists, sets, sorted sets, maps, geohashes, counters, channels, streams, and…
When evaluating networking for a host the focus is typically on latency, throughput or packets per second (pps) to see the maximum load a...
This series of articles will explore some of my favorite Red Hat Enterprise Linux (RHEL) 8 capabilities that are enabled by systemd. Thus, this series assume...
TL;DR: I set up Minikube on an old (2012) MacBook Air and configured it to be able to connect from outside my home network so I would have an always-on Kubernetes cluster at home to experiment with.
Documentation and guides from the team at Fly.io.
The hard realities of distributed systems, partial failures, network faults, and unpredictable latency, and how Amazon designs to handle them.
Welcome to the v0.10 release of the Windows Terminal! As always, you can install the Windows Terminal from the Microsoft Store or download the package
PostgreSQL 13 development is coming along nicely, Postgres 13 Beta3 was released on 8/13/2020 . The Postgres Beta 1 and 2 releases were released in May and June 2020. One of the features that has my interest in Postgres 13 is the B-Tree deduplication effort. B-Tree indexes are the default indexing method in Postgres…
Explore the internals of the BEAM VM in comparison to the JVM, highlighting the significance of understanding these components.
Technical maxims that define Urbit's approach to engineering.
Google Cloud will now offer the ability to encrypt data in use, while it’s being processed in a Google data center
The v0.9 release of the Windows Terminal has arrived! This is the last version of the Terminal that will include new features before the v1 release. You
Learn to predict how your application will behave in times of failure and how to configure every parameter for your Semian circuit breaker.
v1.2 - added comments from HN v1.3 - added “What does fits mean ?” v1.4 - added the conclusion When something very basic goes wrong, I have this hierarchy of potential culprits: the compiler buggy hardware OS vendor last and least me, because I don’t make mistakes :) So what...
Here's an in-depth recap of debugging a GitLab issue that culminated in a patch for the Linux kernel.
