RFR: 8264482: container info misleads on non-container environment [v2]

[David Holmes]

On 6/04/2021 12:31 pm, Yasumasa Suenaga wrote:
> On Tue, 6 Apr 2021 01:38:50 GMT, David Holmes <dholmes at openjdk.org> wrote:
> 
>> If there is an issue with reporting this stuff when not actually in a container then the fault lies in is_containerized() IMHO.
> 
> To resolve this problem, I think [JDK-8261242](https://bugs.openjdk.java.net/browse/JDK-8261242) is filed. But the discussion does not seem to active...  it might take a lot of time to fix because there might not be clear solution to detect the process runs on the container.
> 
> As I said in before, I want to remove "container" from log output because it makes to mislead. Especially next JDK release is LTS, so the code will use a long time.
> As an option, we can move logging code into `CgroupSubsystem`, but it might not be better...

If you are actually running under a cgroup and have resource limits 
applied then aren't you effectively running in a "container"? its just 
not a container that has been productized like Docker et al.

David


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> 
> PR: https://git.openjdk.java.net/jdk/pull/3280
>