[jdk17u-dev] RFR: 8273438: Enable parallelism in vmTestbase/metaspace/stressHierarchy tests

[Aleksey Shipilev]

On Wed, 19 Jan 2022 08:33:20 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to improve testing performance.
> 
> Additional testing:
>  - [x] Linux x86_64 fastdebug `vmTestbase/metaspace/stressHierarchy` passes

Got the push approval.

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PR: https://git.openjdk.java.net/jdk17u-dev/pull/106