[8u-dev] Review request : JDK-8068416: LFGarbageCollectedTest.java fails with OOME: "GC overhead limit exceeded"

[Igor Ignatyev]

Konstantin,

could you please run the test on JDK 9 w/ the seed values which lead to 
failures on JDK 8u?
and please update the bug w/ gotten information.

Thanks,
Igor

On 06/04/2015 12:10 PM, Konstantin Shefov wrote:
> Igor,
>
> It seems I have given you wrong information. This test fails with OOME
> against JDK 9 also, I managed to reproduce the failure now.
> It was hard to reproduce it because of randomness, I need to rerun the
> test 50 times. Although the test seems to fail with OOME more often
> against JDK 8u, but I think it is just factor of randomness in the test.
>
> So I do not think it is a product bug then.
>
> -Konstantin
>
> On 06/03/2015 11:47 PM, Igor Ignatyev wrote:try to reproduce failres
>> Konstantin,
>>
>> do you have an explanation why the test passes on jdk 9?
>> from my point of view, it indicates there is a product bug in 8u which
>> should be fixed and your fix just hides it.
>>
>> Igor
>>
>> On 06/03/2015 10:14 PM, Seán Coffey wrote:
>>> I bumped into this failure myself today. I think you've got a typo.
>>> 440 should be 40. Looks like a good approach otherwise.
>>>
>>> Regards,
>>> Sean.
>>>
>>> On 03/06/2015 17:33, Konstantin Shefov wrote:
>>>> Hello,
>>>>
>>>> Please review the test bug fix
>>>> https://bugs.openjdk.java.net/browse/JDK-8068416
>>>> Webrev is http://cr.openjdk.java.net/~kshefov/8068416/webrev.00/
>>>> Test fails only against JDK 8u and passes against JDK 9.
>>>>
>>>> Fix is to reduce the number of iterations to 40. With that number of
>>>> iterations the test passes on those hosts where it failed before.
>>>> The number of iterations the test start to fail is 65.
>>>> Before the fix the number of iterations was 84.
>>>>
>>>> Thanks
>>>> -Konstantin
>>>
>