[jdk17u-dev] RFR: 8292541: [Metrics] Reported memory limit may exceed physical machine memory

[Jonathan Dowland]

On Mon, 5 Sep 2022 10:39:00 GMT, Jonathan Dowland <jdowland at openjdk.org> wrote:

> Hi 
> 
> This pull request contains a backport of commit [9a0d1e7c](https://github.com/openjdk/jdk/commit/9a0d1e7ce86368cdcade713a9e220604f7d77ecf) from the [openjdk/jdk](https://git.openjdk.org/jdk) for jdk17u-dev. This patch for the Metrics system is a counterpart to 8292083 (which addressed the underlying issue in hotspot) which is already merged in jdk17u-dev. We would like it in 17u-dev for 17 users as we have seen this issue in the wild.
> 
> The commit being backported was authored by Jonathan Dowland on 26 Aug 2022 and was reviewed by Thomas Stuefe and Severin Gehwolf.
> 
> Patch applies clean to 17u-dev. The new tests it add fail in jdk17u-dev prior to this patch and pass after, as expected.
> 
> Thanks!

One of the pre-submit tests "Pre-submit tests - macos-aarch64 / build - Build / test" has failed. This seems transient and unrelated: issue downloading jtreg on macos/aarch64; this patch is Linux-specific.

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PR: https://git.openjdk.org/jdk17u-dev/pull/652