Ted Malaska created MAPREDUCE-5132:
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Summary: Enhance FairScheduler queue selection with Unix-SubGroups
Key: MAPREDUCE-5132
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5132
Project: Hadoop Map/Reduce
Issue Type: Improvement
Reporter: Ted Malaska
Priority: Minor
I have clients that use the primary group for other reasons and would like to
select the fairScheduler queue by subgroup.
Currently the fairscheduler can only link a job config property to a
fairscheduler queue and subgroups are not in the job config.
Now thankfully we can get this data from UserGroupInformation.createProxyUser
which is cool because this is how TT currently see if it can copy data when
kerberos is enabled. Once we have the sub-groups we just connect the first
sub-group that matches a queue.
I'll put up some code that I used to solve the problem in the short term.
Note that there is an issue with this code. It doesn't populate the TT Web UI
drop down menu correctly. I think I have a solution for that, but before I
implement that I was wondering if the community has any feedback first.
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