When I use mr , I can enable profile by set follow config:
set mapreduce.task.profile=true;
set mapreduce.task.profile.maps=0-;
set mapreduce.task.profile.reduces=0-;
set mapreduce.task.profile.params=-Xprof; or set 
mapreduce.task.profile.params=-agentpath:/usr/jprofile/jprofiler9/bin/linux-x64/libjprofilerti.so=port=8849,nowait;


In tez how to enable profile?



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