[Discussion] Expected behavior of combining "all" and "live" options of jmap

[linzang(臧琳)]

Dear All,
        May I get some suggestions?  so that I can  work out a patch
base on that.
        Or may be it should not be treated as an issue? 
BRs,
Lin

On 17/08/2020 17:17, linzang(臧琳) wrote:
>  Dear all, 
>           we found the jmap’s histo/dump command could accept "live" and "all" options together, and the specification does not describe what is the expected behavior of it.
>           I have tried that when these two options used together, the "live" takes effect, no matter what sequences are they in commandline.
>           IMO, it is a little confused to use "live" and "all" together, and if it is allowed, the specification may need to be updated to state the behavior clearly.
>           Therefore may I ask your suggestion on which option of the following is prefered:
>           (option 1.)  disallow using these two options together, I think this is more clear, but I am not sure whether there is backward compatibility risk.
>           (option 2.)  allow the combination use of "live" and "all", and update the specification to clearly describe the behavior that "live" takes effect in this case.
>           What do you think?
>
> Thanks, 
> Lin  
>           
>
>