[jdk17u-dev] RFR: 8247980: Exclusive execution of java/util/stream tests slows down tier1

[Aleksey Shipilev]

On Tue, 21 Dec 2021 11:19:05 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to improve 17u testing. There seem to be no bugtail from the mainline improvement pushed back in September 2020.
> 
> Additional testing:
>  - [x] Linux x86_64 fastdebug `jdk:tier1`
> 
> Motivational improvements on TR 3970X:
> 
> 
> # Before
> real	14m48.189s
> user	425m10.750s
> sys	17m11.072s
> 
> # After
> real	9m21.856s
> user	417m29.605s
> sys	15m27.971s

Got the push approval.

-------------

PR: https://git.openjdk.java.net/jdk17u-dev/pull/22