RFR: JDK-8166648,,jib make run-test for langtools results in intermittent failures on windows-x86
tim.bell at oracle.com
Fri Oct 7 14:15:33 UTC 2016
Again with the review link .. see below:
On 10/07/16 06:40, Tim Bell wrote:
> The change of HotSpot runtimes on 32-bit Windows  has been a source
> of langtools test failures due to memory space exhaustion.
> On our Windows build/test clients, the combination of the C2 runtime and
> parallel GC causes about 20 extra threads to be started in each VM.
> These added thread stacks, plus heap management in C2, result in too
> much memory pressure to fit the workload into 32-bit VMs.
> This fix will run langtools jtreg tests using the serial garbage
> collector instead of using the default collector (parallel GC).
> -5 out of 5 jobs (with the fix) passed langtools testing
> -4 out of 5 control jobs (without the fix) failed testing in
> Thanks in advance-
>  JDK-8154209 "Remove client VM from default JIB profile on
> windows-x86 and linux-x86"
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