El Solitario

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Javier Alarcón

Infrastructure engineer specializing in networking, Linux systems, Kubernetes, and cloud architectures. Covers hardware, networking, observability, and engineering practices for production teams.
Mistral privacy panel with the training opt-out toggle
Noticias Tech

Mistral Lets You Opt Out of Using Your Data for AI Training

Mistral documents how to enable the training opt-out in Vibe, the mobile app, and the API: two separate toggles that you need to configure yourself. The exact steps vary depending on whether you use the consumer plan, Vibe Enterprise, or Mistral Studio.

By Javier Alarcón, 3 days3 September, 2026 ago
Stacked GPU chips representing the GPU World contest on abundant AI
Noticias Tech

GPU World: AI Story Contest Awards $100,000

GPU World is a short story contest imagining a 2040 with billions of GPUs available to all of humanity, even if AI progress freezes in 2026. It awards $100,000 in prizes, judged by Neal Stephenson, Gwern Branwen, and Matt Huang. Submissions close on October 31, 2026.

By Javier Alarcón, 5 days1 September, 2026 ago
Diagram of erasure coding splitting a file into data and parity fragments
Noticias Tech

Erasure Coding: How HDFS Cuts Replication Cost from 200% to 50%

Erasure coding splits data into fragments and computes mathematical parity to tolerate disk failures without tripling storage. This article explains how Reed-Solomon works, includes functional Python code, and compares it to RAID 6 and classic replication.

By Javier Alarcón, 6 days30 August, 2026 ago
Diagram of a CDN distributing content across edge caches
Noticias Tech

CDN: How the Network That Brings Your Website Closer to Users Works

A CDN is a network of servers that stores copies of your content close to each user so pages load faster. This guide explains edge caching, anycast routing, and how to configure it with real examples in Nginx and Cloudflare Workers.

By Javier Alarcón, 1 week28 August, 2026 ago
Diagram of Cloudflare's DNS cache data structures
Redes

Cloudflare Saves 100 Terabytes by Optimizing the 1.1.1.1 DNS Cache

Cloudflare redesigned the data structures behind the 1.1.1.1 DNS cache and freed nearly 100 terabytes of memory across its entire fleet. The changes in Rust also improved performance, with higher throughput and lower latency.

By Javier Alarcón, 1 week27 August, 2026 ago
Nvidia and Hugging Face logos representing the Nvidia Hugging Face negotiation
Noticias Tech

Nvidia in Talks to Buy Hugging Face for Over $13 Billion

Nvidia is negotiating to buy Hugging Face for over $13 billion dollars, Business Insider revealed on August 27, 2026. The deal, still unclosed, would give Nvidia control over the central repository of open AI models. Hugging Face had already turned down a smaller Nvidia offer in late 2025.

By Javier Alarcón, 1 week27 August, 2026 ago
DuckDB logo next to the AWS logo illustrating that DuckDB open source remains under the MIT license
Noticias Tech

DuckDB Open Source Will Stay Free Even as DuckLabs Joins AWS

DuckLabs, the company behind DuckDB, will join Amazon Web Services (AWS) in early September 2026. The team will stay in Amsterdam, and DuckDB, DuckLake, and Quack will remain free software under the MIT license, governed by the DuckDB Foundation.

By Javier Alarcón, 1 week26 August, 2026 ago
Xring O3, Xiaomi's new chip with ARM SME2 and SVE2 architecture
Noticias Tech

Xring O3: Xiaomi’s Chip Scores 3,945 on Geekbench Single-Core

The Xring O3, Xiaomi’s new flagship processor, scored 3,945 points on Geekbench single-core and 15,221 on multi-core. Its 44 MB of cache and 21 execution ports point to a trend toward massively parallel ARM cores, though the technical community questions the legitimacy of the figures.

By Javier Alarcón, 2 weeks24 August, 2026 ago
Diagram of Microsoft Paint embedding an invisible GUID watermark in an AI-generated image
Noticias Tech

Microsoft Paint Embeds an Invisible GUID in Every AI-Generated Image

A security researcher discovered that Microsoft Paint and the Photos app embed a server-issued GUID as an invisible watermark in every image generated with local artificial intelligence. The feature is independent of the visible Copilot logo and cannot be turned off from the settings.

By Javier Alarcón, 2 weeks24 August, 2026 ago
AI data centers: power infrastructure and servers
Noticias Tech

UC San Diego to Test New Power Technology for AI Data Centers

UC San Diego announced it will test an experimental power technology to supply AI data centers. The initiative responds to the growing electricity demand required by large-scale AI model training and inference.

By Javier Alarcón, 2 weeks24 August, 2026 ago

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El Solitario > Articles by: Javier Alarcón
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