[PING] RFR 8034263: Test java/lang/management/MemoryMXBean/LowMemoryTest.java fails intermittently
Jaroslav Bachorik
jaroslav.bachorik at oracle.com
Wed Dec 10 15:20:14 UTC 2014
On 12/10/2014 11:52 AM, Staffan Larsen wrote:
> Looks good. Perhaps use RuntimeMXBean.getInputArguments() instead of the dcmd?
Sounds good. I will change the test to use
RuntimeMXBean.getInputArguments() then.
Thanks!
-JB-
>
> /Staffan
>
>> On 10 dec 2014, at 11:40, Jaroslav Bachorik <jaroslav.bachorik at oracle.com> wrote:
>>
>> A kindly reminder ...
>>
>> On 12/04/2014 10:42 AM, Jaroslav Bachorik wrote:
>>> Please, review the following test change
>>>
>>> Issue : https://bugs.openjdk.java.net/browse/JDK-8034263
>>> Webrev: http://cr.openjdk.java.net/~jbachorik/8034263/webrev.00
>>>
>>> The test fails intermittently only for CMS collector -
>>>
>>> "One thing about CMS is that it does concurrent work. So just a theory
>>> would be that a concurrent cycle is started and sometime finishes (which
>>> might trigger a notification) and sometimes does not finish before the
>>> test has completed. " (from discussion with Bengt Rutisson)
>>>
>>> The 'fix' is to relax the condition for when CMS is used and check that
>>> at least the expected number of notifications was triggered.
>>>
>>> Thanks,
>>>
>>> -JB-
>>
>
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