Jonathan Vogel

Technical blog by Jonathan Vogel, Developer Advocate at AWS. Insights to help developers.

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Systems & Performance 1 Software Engineering 1

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Java is fast, code might not be

2026228 points249 comments Software Engineering details

Fixing common Java anti-patterns took an app from 1,198ms to 239ms. Eight patterns that compile fine and pass code review but silently drain CPU and balloon heap, with benchmarks and code fixes for each