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Tenderlove Making - Visualizing Your Ruby Heap
In a previous post, I wrote a bit about how Ruby objects are laid out in memory. Today we’ll use that information to write a program that will allow us to take a Ruby heap dump and visualize the layout and fragmentation of that heap. Ruby Object Layout Recap Just as a recap, Ruby objects are fixed width. That is, every Ruby object is the same size: 40 bytes. Objects are not really allocated with m
hoppie 2017/10/02
heap

Ruby
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Removing config.threadsafe! | Tenderlove Making
TL;DR: config.threadsafe! can be removed, but for Rails 4.0 we should just enable it by default. A while back a ticket was filed on the Rails tracker to turn on config.threadsafe! mode by default in production. Unfortunately, this change was met with some resistance. Rather than make resistance to change a negative thing, I would like to make it a positive thing by talking about exactly what confi
hoppie 2017/08/16
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Tenderlove Making - I am a puts debuggerer
Update (2023-06-28): Added “I required a file, but I want to know what files were actually loaded” I love puts debugging I am a puts debuggerer. I don’t say this to disparage people that use a Real Debugger. I think Real Debuggers are great, I’ve just never taken the time to learn one well. Every time I try to lean one, I end up not using it for a while and have to re-learn how to use it. Anyway,
hoppie 2016/02/12
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