RFR: JDK-8166648,,jib make run-test for langtools results in intermittent failures on windows-x86
tim.bell at oracle.com
Fri Oct 7 13:40:25 UTC 2016
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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