Roman Kennke

Principal Software Engineer

Java VM Hacker, Principal Software Engineer at RedHat's OpenJDK team, Shenandoah GC project lead, Java Champion


Articles by

Article

Shenandoah garbage collection in OpenJDK 16: Concurrent reference processing

Find out how Shenandoah garbage collection improves Java application latency in JDK 16, especially for applications that churn soft, weak, and phantom references.

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Shenandoah GC in JDK 14, Part 2: Concurrent roots and class unloading

Discover Shenandoah GC in JDK 14's new concurrent roots processing and concurrent class unloading features and reduce GC pause time.

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Shenandoah GC in JDK 14, Part 1: Self-fixing barriers

Explore the new self-fixing barriers feature added to Shenandoah GC in JDK 14, which reduce local latencies that are spent in barrier mid- and slow paths.

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Shenandoah GC in JDK 13, Part 3: Architectures and operating systems

We details new developments for Shenandoah GC coming up in JDK 13 that will allow it to build and run on Solaris.

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Shenandoah GC in JDK 13, Part 2: Eliminating the forward pointer word

Roman Kennke explains changes to Shenandoah GC in JDK 13, including eliminating the need for an extra word per object.

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Shenandoah GC in JDK 13, Part 1: Load reference barriers

We take a look at some new developments of Shenandoah GC coming up in JDK 13, including load reference barriers.