(10) RFR of JDK-8179242, OutOfMemoryError in java/util/Arrays/ParallelPrefix.java

[Paul Sandoz]

> On 13 Jun 2017, at 18:08, Hamlin Li <huaming.li at oracle.com> wrote:
> 
> Hi Paul,
> 
> Please check my comments inline below.
> 
> 
> On 2017/6/14 1:23, Paul Sandoz wrote:
>>> On 12 Jun 2017, at 20:37, Hamlin Li <huaming.li at oracle.com> wrote:
>>> 
>>> Hi Paul,
>>> 
>>> Good idea. Although the downside is the test will depend on java.management and jdk.management modules, I think it's acceptable.
>>> 
>> Although to Roger’s point is there a simpler way?
> No. Please also check my response to Roger.

Thanks.


>>> Also disable to run ParallelPrefix.java in concurrency.
>>> 
>> Ok.
>>> Please check the new webrev: http://cr.openjdk.java.net/~mli/8179242/webrev.01/
>>> 
>>   29  * @run testng/othervm -Xms256m -Xmx1024m ParallelPrefix
>> 
>> Why are you setting the max heap size?
> In my test result, 1024M is sufficient, and if I don't set it, I'm not sure what's the default value for it, so set it explicitly for this memory sensitive test.
> Please let me know if you think it's unnecessary.
> 

It just feels a little odd. Given that failed test were reported for machines with much more than 2g of memory. Implying there is something else going on, perhaps perturbed by other changes of test infrastructure?

I think what you have is ok.

Paul.