Github user tgravescs commented on the pull request:
https://github.com/apache/spark/pull/12735#issuecomment-215134452
I agree with @srowen can you please describe what you are trying to do in
more detail. Why are you looking for multiple of the db files and deleting
older ones, when would there be more then 1? Any sort of min disk space would
need to be configurable.
Note that in hadoop 2.5 they added a getRecoveryPath() routine to the
AuxiliaryService that gets a path to put the ldb. I don't know if we decided
on what hadoop version we are support in 2.x, @srowen do you remember if that
was decided?
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