eBPF hooks track process state changes and CPU switches, enabling precise run queue latency measurement by storing timestamps in a hash map and calculating delays, while integrating cgroup IDs through RCU-protected kfuncs for detailed metrics which are then sent via ring buffer to a Go userspace app.. read more  

Canva's product analytics pipeline handles25 billion events per day with 99.999% uptime, utilizing Protobuf for transitive schema compatibility, a custom code generator (Datumgen), and Kinesis Data Streams (KDS) over SQS/SNS to reduce costs by 20x; achieving further savings through zstd compression .. read more  

Recently, the curated newsletter curator Ziyou Yan explored building the same web app using FastHTML, Next.js, and Svelte. Each framework offers unique features and developer experiences for implementing CRUD operations. The exercise also prompted thoughts on how coding assistants powered by languag.. read more  

In Kubernetes, applications are separated into computational units (pods) and access points (services), where services handle load balancing using iptables or IPVS at L4 with basic round-robin, but for intricate request tracing and debugging, eBPF tools like gala-gopher can gather non-intrusive metr.. read more  

Efficient Zsh shortcuts enhance command-line productivity by streamlining cursor movement, text deletion, text manipulation, advanced editing, globbing for file matching, command recall and modification, parameter expansion, and custom key bindings... read more  

French AI startup Mistral's new 12-billion-parameter multimodal model, Pixtral 12B, processes images and text, is available via torrent and Hugging Face under an Apache 2.0 license, and promises capabilities like image captioning and object counting, reflecting the company's open model strategy post.. read more  

Google cofounder Sergey Brin emphasized at the "All-In" summit in Los Angeles that Google's AI isn't utilized enough by its engineers, citing an impressive experiment where the AI quickly generated Sudoku puzzles from scratch, and noted Google's hesitance in releasing early language models due to po.. read more  

Binding events to goals and steps in Plang can streamline tasks like authentication into just 4 lines of code, and if a service change requires a new input like an email, Plang can bind events to all errors from steps to self-correct by updating and re-running the code—all with the same concise, eff.. read more  

Focus on financial system design emphasizes having accurate, auditable, and timely records, using immutable, granular data, ensuring idempotent processing, preferring integer representations for financial amounts and time, postponing currency conversions, and implementing consistent rounding methodo.. read more  

Research by watchTowr Labs exploited expired WHOIS domain, revealing that135,000+ systems still query outdated .MOBI WHOIS server, resulting in2.5 million requests and serious vulnerabilities, including potential control of TLS/SSL certificate validation for domains like 'microsoft.mobi' by intercep.. read more