GitHub user prabhjyotsingh opened a pull request:
https://github.com/apache/zeppelin/pull/2909
[ZEPPELIN-3384] Reduce the number of calls that are made to
`loginUserFromKeytab` in JDBC interpreter
### What is this PR for?
In JDBC interpreter every time `getConnection` has requested a call is made
to `UserGroupInformation.loginUserFromKeytab` this PR is created to reduce the
number of time it gets called.
### What type of PR is it?
[Improvement]
### What is the Jira issue?
* [ZEPPELIN-3384](https://issues.apache.org/jira/browse/ZEPPELIN-3384)
### Questions:
* Does the licenses files need update? n/a
* Is there breaking changes for older versions? n/a
* Does this needs documentation? n/a
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/prabhjyotsingh/zeppelin ZEPPELIN-3384
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/2909.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 #2909
----
commit b0be2078546ec02a1868fa55e6c755f02c03c431
Author: Prabhjyot Singh <prabhjyotsingh@...>
Date: 2018-04-04T04:08:52Z
ZEPPELIN-3384: Reduce number of calls that are made to
`UserGroupInformation.loginUserFromKeytab`
Change-Id: I4f6b983ff83aaa840e0c54deea9c315e29b1331f
----
---
