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I took part in the Billion Row Challenge. Enjoy a deep, step-by-step summary of how you get from a Parallel Java Streams implementation that takes 71 seconds to a super-optimized version that takes 1.7 seconds. Example code and walkthroughs included!
Ever dealt with glitches in a SaaS platform where your actions don't seem to sync up? That's often a transaction isolation issue in databases. Lets talk about transaction isolation and how they work in Postgres, so you can write reliable and performant code with minimal headache.
This report provides a summary of how the InfoQ Java editorial team and several Java Champions currently see the adoption of technology and emerging trends within the Java and JVM space in 2022.