libxev: A cross-platform, high-performance event loop

libxev is a cross-platform event loop. libxev provides a unified event loop abstraction for non-blocking IO, timers, signals, events, and more that works on macOS, Windows, Linux, and WebAssembly (browser and WASI). It is written in Zig but exports a C-compatible API (which further makes it compatible with any language out there that can communicate with C APIs). Project Status: 🐲 Unstable, alpha-ish quality. The feature...
Mocking the native Node.js Test Runner

Last week, we discussed an overused but applicable pattern: in-memory bus. This time, we’ll continue with the leitmotif and talk about mocking. No, I won’t mock you; I will mock TypeScript code. Node.js in version 18th added its own native Test Runner. Why did they do it? Jest looks like abandonware even after transferring to OpenJs Foundation, issues are not getting...
Introducing Amazon MWAA larger environment sizes

Amazon Managed Workflows for Apache Airflow (Amazon MWAA) is a managed service for Apache Airflow that streamlines the setup and operation of the infrastructure to orchestrate data pipelines in the cloud. Customers use Amazon MWAA to manage the scalability, availability, and security of their Apache Airflow environments. As they design more intensive, complex, and ever-growing data processing pipelines, customers have...
Scaling to Count Billions

How we built a scalable and reliable content usage counting service.
Learning about distributed systems: where to start? (2020)

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Triton Server accelerates distribution of models based on Dragonfly

Project post by Yufei Chen, Miao Hao, and Min Huang, Dragonfly project This document will help you experience how to use dragonfly with TritonServe. During the downloading of models, the file size is large and there are many services downloading the files at the same time. The bandwidth of the storage will reach the limit and the download will be slow. Dragonfly...

Reservation

Problem

How can you efficiently provide a level of guarantee in a loosely coupled manner while maintaining the autonomy and consistency of the services?

Solution

Implement the Reservation pattern and have the services provide a level of guarantee on internal resources for a limited time.

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