Re: what causes InterpreterException: Host key verification failed

2017-08-15 Thread Yeshwanth Jagini
i am using livy interpreter, i don't have any issues now. it's bit confusing whole impersonation on interpreter level and then on the spark yarn level. we should have some good documentation explaining this. how can i contribute to documentation? On Tue, Aug 15, 2017 at 8:49 AM, Arun Natva wrote

Re: what causes InterpreterException: Host key verification failed

2017-08-15 Thread Arun Natva
If you are using zeppelin 0.7.0, the easiest way is to use Livy interpreter and get rid of the zeppelin impersonate CMD confit from zeppelin-env Livy interpreter supports user impersonation. You can use Livy.spark, livy.pyspark, livy.sql interpreters Sent from my iPhone > On Aug 15, 2017, at 9

Re: what causes InterpreterException: Host key verification failed

2017-08-15 Thread Dominik
The impersonation feature of Zeppelin is currently based per default on SSH-ing to localhost: https://zeppelin.apache.org/docs/0.7.0/manual/userimpersonation.html This can be overridden e.g. by setting ZEPPELIN_IMPERSONATE_CMD as env variable (e.g. for sudo), but the above error you are reporti

How to %sql interpreter

2017-08-15 Thread Petr Knez
Hi, could you anyone help me how to force %sql (spark) interpreter not to trunc string parameters who are longer then 15 chars. My case is to visualize data from dataframe but I can't use z.show (where is possible to set truncate option to false) because I use %livy.spark interpreter where z conte