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Recommend against JDK8 #400

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6 changes: 6 additions & 0 deletions java.md
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,12 @@ performance benefit until they switched to Java 11.
This page includes specific details about building and tuning Java application on Graviton.

### Java versions
If you are still using JDK8, please strongly consider upgrading. There are
significant performance improvements that you can benefit from, such as better
JIT code generation, optimized GC at high thread counts, Arm-tuned Java monitors
and locks, an improved SpinPause logic (with even more options in JDK17, like
OnSpinWaitInstCount and OnSpinWaitInst), and using Arm intrinsics.

JDK binaries for arm64 are available from a number of
different sources. [Amazon Corretto](https://aws.amazon.com/corretto/) is
continuing to improve performance of Java workloads running on Graviton processors and
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