RFR: 8221894: Add comments for docker tests in the test doc

[Jie Fu]

Hi Erik and David,

Thank you for your review.

Erik, could you please sponsor it?
Thanks a lot.

Best regards,
Jie

On 2019/4/8 下午9:57, Erik Joelsson wrote:
> Looks good to me.
>
> /Erik
>
> On 2019-04-08 00:48, Jie Fu wrote:
>> Hi David and Erik,
>>
>> Thank you for your review and very nice suggestions.
>> Here is the latest version: 
>> http://cr.openjdk.java.net/~jiefu/8221894/webrev.03/
>> Please see comments inline and review.
>> Thanks a lot.
>>
>>> I have two comments on the proposed text:
>>>
>>> 1. I think "oraclelinux" should be "Oracle Linux".
>> Done.
>>>
>>> 2. I don't understand the example as I don't know why Ubuntu 16.04 
>>> would be considered something "not newer than" OL 7.6. I'm guessing 
>>> this relates to the kernel version in each ?? If so perhaps we 
>>> should spell out what the relevant kernel version is?
>> Good question. It relates to the glibc version in each.
>> Systems with glibc versions not compatible with the one used in the 
>> default docker image (e.g., Oracle Linux 7.6 for x86) will fail with 
>> default test parameters.
>> Done.
>>
>> Best regards,
>> Jie
>>