GitHub user vanzin opened a pull request:
https://github.com/apache/spark/pull/4405
[SPARK-5493] [core] Add option to impersonate user.
Hadoop has a feature that allows users to impersonate other users
when submitting applications or talking to HDFS, for example. These
impersonated users are referred generally as "proxy users".
Services such as Oozie or Hive use this feature to run applications
as the requesting user.
This change makes SparkSubmit accept a new command line option to
run the application as a proxy user. It also fixes the plumbing
of the user name through the UI (and a couple of other places) to
refer to the correct user running the application, which can be
different that `sys.props("user.name")` even without proxies (e.g.
when using kerberos).
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/vanzin/spark SPARK-5493
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4405.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4405
----
commit 0540d38fabe08cb63aecd9df953bed5cbe3bfa62
Author: Marcelo Vanzin <[email protected]>
Date: 2015-02-05T21:49:47Z
[SPARK-5493] [core] Add option to impersonate user.
Hadoop has a feature that allows users to impersonate other users
when submitting applications or talking to HDFS, for example. These
impersonated users are referred generally as "proxy users".
Services such as Oozie or Hive use this feature to run applications
as the requesting user.
This change makes SparkSubmit accept a new command line option to
run the application as a proxy user. It also fixes the plumbing
of the user name through the UI (and a couple of other places) to
refer to the correct user running the application, which can be
different that `sys.props("user.name")` even without proxies (e.g.
when using kerberos).
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