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G1: To Infinity and Beyond

G1 has been around for quite some time now and since JDK 9 it is the default garbage collector in OpenJDK. The community working on G1 is big and the contributions over the last few years have made a significant impact on the overall performance. This talk will focus on some of these features and how they have improved G1 in various ways, including smaller memory footprint and shorter P99 pause times. We will also take a brief look at what features we have lined up for the future.
20 Minutes
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Stefan Johansson

Stefan Johansson, OpenJDK GC Engineer at Oracle

Stefan is a software engineer working in the HotSpot GC-team at Oracle. He joined the GC-team in 2013 and has been active in OpenJDK since then with a focus on the G1 garbage collector. Prior to working with GC in the JVM he was working on other JVM related projects at Oracle/Bea.

P99 CONF OCT. 6-7, 2021

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