Withdrawn: 8320710: Adjust heap size when close to compressed oops limit

duke duke at openjdk.org
Tue Mar 12 19:34:19 UTC 2024


On Fri, 24 Nov 2023 17:31:32 GMT, Oli Gillespie <ogillespie at openjdk.org> wrote:

> When the heap is between 0 and 2% larger than the compressed oops limit, lower it enough to enable compressed oops. See [issue](https://bugs.openjdk.org/browse/JDK-8320710) for more details.
> 
> This is just one way of doing it to show the idea, any other ideas welcome.
> 
> Before:
> 
> java -Xmx32G -XX:+UseCompressedOops -version
> OpenJDK 64-Bit Server VM warning: Max heap size too large for Compressed Oops
> 
> After:
> 
> java -Xmx32G -XX:+UseCompressedOops -version
> OpenJDK 64-Bit Server VM warning: Heap size lowered from 32G to 32256M to accommodate Compressed Oops

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/16813


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