~rubyweekly | Issue 718 - Real-time Ruby profiling (15)

Ruby 3.3.5 Released — Not a big release (you’ll be waiting till Christmas Day for that!) but a scheduled minor bug fix release covering a variety of issues. Based on the current schedule, 3.3.6 should land in early November.

The Thread API: Concurrent, Colorless Ruby — The latest in JP’s ongoing series about concurrency, parallelism and asynchronous programming. This time, the topic is Thread’s API, an oft misunderstood part of Ruby.

🚨 Need to Upgrade Rails on a Budget? — Too many security holes in production? Stuck on Ubuntu 20? FastRuby.io’s maintenance services offer a monthly, cost-effective solution. Top-notch engineering teams trust Bonsai to gradually upgrade their outdated Rails applications with 0 downtime.

Say No to Partials and Helpers for a Maintainable Rails Front-End? — Adam enjoyed Garrett Dimon’s post last week on structuring ERb and partials, but thinks we can go a step further in keeping things clean: by using Phlex instead!

🤖 Transpiling Go and Java to Ruby using LLMs — An interesting look at a successful attempt to transpile existing Java and Go code to Ruby using the cutting edge, commercial GPT-4o and Claude 3.5 Sonnet models. It’s not the most idiomatic Ruby code, of course.

Scaling Rails & Postgres to Millions of Users at Microsoft — Rails at Microsoft? Yup, but that’s not the value of this interview. Andrew, the author of High Performance PostgreSQL for Rails, talks about his experience with database internals, proactive monitoring, and scaling complex systems. The interview is in video form but a full transcript is provided.

Even Better Specs: Guidelines for Maintainable Tests — An opinionated set of best practices to support the creation of tests that are easy to read and maintain (with a focus on RSpec). Being opinionated you might disagree with some of the points, but it’s good to think about this stuff.

rbspy 0.25.0: A Sampling Profiler for Ruby — What's better than a profiler report for optimizing app? Profiling in real time! rbspy lets you profile an app without even having to restart it. v0.25.0 extends support to Ruby 3.3.5. GitHub repo.

🌐 i18n_data 1.0: Country/Language Names in 85 Languages — Present users with country and language names in their own language. Also covers 2 letter country codes and conversion back and forth.

The VP of Engineering Guide to CapEx Vs OpEx Budgeting — Understand how CapEx vs OpEx decisions impact not only your team, but also the broader org. (And impress your boss!)

pg-locks-monitor: Observe PostgreSQL Locks in Rails Apps — A way to observe database locks generated by a Rails app. By default, lock status isn’t persisted in any logs, so monitoring it requires a little more live analysis.

101101.. ActiveFlag: A Bit Array for Active Record — Store up to 64 multiple binary flags as a bit field/array in a single integer column with Active Record.

ruby-oembed 0.18: An oEmbed Consumer Library for Ruby — oEmbed is a type of URL-specific metadata numerous Web sites support (such as when linking to YouTube videos or blog posts).

ActiveRecordTracer: A Tracer for Active Record Queries — Trace queries and report on them by frequency, location, models loaded, and other dimensions to track down DB and SQL performance issues faster.