Re: New cluster help

Hi Tombin! Is this the first cluster you're ever setting up? Are you able to run an "hdfs dfs -ls /" successfully? How about putting files into HDFS? I'd take it one step at a time if I were you. i.e. 1. Set up a simple HDFS cluster (without SSL) 2. Turn on SSL 3. Then try to run HBase. Is step

New cluster help

I am setting up a new hadoop cluster for the first time. My setup currently looks as follows: hdfs cluster: 1 namenode 2 datanodes hbase: 1 hbase node zookeeper cluster: 3 zookeeper nodes I have enabled ssl on the hdfs cluster. When trying to connect from base i see the following error:

Re: How to request specific user for running YARN Application master?

When yarn.nodemanager.linux-container-executor.nonsecure-mode.limit-users is false, can yarn client request specific user for running app master? On Thu, Jul 14, 2016 at 12:07 AM, Rohith Sharma K S wrote: > Hi > > Is it possible to request specific user for running

hadoop eventually logs out while running MR job in hadoop 2.7.2

Hi, I am having some trouble with running hadoop jobs in Pseudo cluster and in cluster mode in ubuntu 16.04. While running a vanila hadoop/hdfs installation - my hadoop user gets logged out and all of the processes that are run by this user are closed. I don't see anything indicating in logs

Re: Authentication and security with hadoop

Thanks for the clarification Arpit. Will check the docs. Ravi On Thu, Jul 14, 2016 at 1:44 AM, Arpit Agarwal wrote: > Hi Ravi, > > > > Kerberos is the only supported mechanism for strong identity. Most Hadoop > access controls are easily bypassed without Kerberos