how to get the mapreduce job/map/reduce counter metrics from external of hdp cluster?

[#1]

HI: as title, we would like to get the job/map/reducer counter metrics of MR by api or another way from external hadoop cluster.

Could you give us any advise?

Thanks

[#2]

@Paul Yang

You can simply use the UI of the JobHistory server remotely, can't you?

[#3]

@gnovak

Thanks for your answer. I can got it from rest api.