Devoxx Poland 2019
from Monday 24 June to Wednesday 26 June 2019.
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Java Language |
Expert & Senior level |
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| Room 3 | Tuesday from 17:00 til 17:50 | |
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Since several years, the world of JVM GC evolved. A new kind of GC emerges: low latency GCs. Shenandoah is provided by Red Hat, Oracle open sourced ZGC in OpenJDK since JDK 11 and Azul C4 is sill there. As "classical" GCs are well understood, this talk will focus on internals of the most recent ones. We will explain Concurrent Marking (tri-color marking), the C4's Load Value Barrier, Shenandoah's Brooks Pointers and ZGC's multi-mapping. Finally, how to choose a low latency GC? GC ZGC Shenandoah JVM |
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Jean-Philippe BEMPEL
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Developer passionate by performance, runtimes (JVM, CLR) and Mechanical Sympathy supporter, Jean-Philippe has more than 8 years experience in low latency trading systems. Now, He brings his expertise on the JVM at Criteo in order to optimize resources on thousand node clusters. |
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