Github user khalidhuseynov commented on the issue:
https://github.com/apache/zeppelin/pull/1566
@zjffdu i updated description and pushed some changes. as you can see from
screenshot it makes usage of current `username` when writing to hdfs. So in the
example above, although `out_user1` folder is owned by `user1`, still it
contains inside files (e.g. `part0000`) with different owner `khalidhuseynov`.
So my guess is that it affects only driver and not the executors, and executors
are the ones writing `part0000`. let me know what you think on it.
also feedback from @Leemoonsoo @prabhjyotsingh @felixcheung would be
appreciated on this one as well
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