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Your Java Code in the Fastlane: Creating a Million Virtual Threads Using Project Loom to Improve Throughput

Abstract

Project Loom introduces virtual threads, lightweight threads that aim to dramatically reduce the effort of writing, maintaining, and monitoring high-throughput concurrent applications with the Java platform.

We need threads to achieve high throughput. However, threads are not cheap and are limited in number. To get around this problem, various alternatives such as the reactive programming style have emerged. These techniques bypass creating a lot of threads at the expense of more difficult debugging. This makes developers grumpy. However, with virtual threads, we get the best of both worlds, cheap, lightweight threads and easy debugging, which would make developers happy again.

This talk will explore what virtual threads are, how they are implemented, how they solve our modern problems and what, if any, shortcomings there are.

Bio

A N M Bazlur Rahman works at Contrast Security as a Sr. Software Engineer. He has more than ten years of professional experience in the software industry, predominantly in Java and Java-related technologies. Recently, he was named a Java Champion.

Outside of his regular work hours, he loves to mentor, write, speak at conferences, and contribute to open-source projects. He is the founder and current moderator of the Java User Group in Bangladesh. He has organized meetups and conferences to share Java-related knowledge with the community since 2013. He was named Most Valuable Blogger (MVP) at DZone, one of the most recognized technology publishers in the world. Besides DZone, he is an editor for the Java Queue at InfoQ, another leading technology content publisher and conference organizer, and an editor at Foojay.io, a place for friends of OpenJDK. In addition, he has published four books about the Java programming language in Bengali; they were bestsellers in Bangladesh.

He earned his bachelor's degree from the Institute of Information Technology, University of Dhaka, Bangladesh, in Information Technology, majoring in Software Engineering. He currently lives in Toronto, Canada.

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Bazlur Rahman