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Ruby Performance Optimization by Alexander Dymo

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Onward!

Performance optimization is a never-ending battle. New code will slow down the old code. And even the old code you can make faster and faster if you spend enough time on it.

I’ve found that the same applies to this book. I could always add more techniques and best practices. There’s always one more optimization tool that I didn’t cover. That’s why I created a wiki page[43] with additional resources other readers and I found useful for optimization. You’re welcome to use and contribute to it.

Now it’s time for you to optimize your code.

First, find and fix all performance blunders. We talked about many of them in the first three chapters, so now you’ll spot them just by looking at the code.

Then, see what your logging and monitoring ...

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