RFR (XS) 8251949: ZGC: Set explicit heap size for compiler/gcbarriers tests
stuart.monteith at arm.com
Tue Aug 18 14:57:50 UTC 2020
On 18/08/2020 13:41, Aleksey Shipilev wrote:
> On large TR 3970X, jtreg asks for MaxRAMFraction=0, which makes ZGC use 128M heap for some tests. These tests reliably
> fail with OOM in jdk-updates/jdk11u-dev:
> While they do not fail in jdk/jdk, I think it makes more sense to add explicit heap sizes in jdk/jdk, and then backport
> to 11u. The alternative is to backport ZGC improvements that make it more resilient at small heap sizes (like
> JDK-8234338?); but I am not feeling very comfortable doing and testing that.
> Testing: affected tests in jdk/jdk and jdk-updates/jdk11u-dev
That looks ok to me, tests fine on jdk/jdk on aarch64.
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