Reg : Hadoop Administration Material

Hi all I am changing my project role as Hadoop Adminstrator please share me useful material for admin role. Thanks Sajid

Container exited with a non-zero exit code

Hi.all, I've just done a fresh install of Hadoop with three nodes, one master (NameNode, SecondNameNode, ResourceTracker) and two slaves (DataNode). The HDFS are successfully formatted, all services are up. When I run the examples, e.g. teragen, terasort, I occasionally got this exception:

Re: Reg : Hadoop Administration Material

Hi sajid, I would like to let you know my notes on that, See https://github.com/youngwookim/awesome-hadoop#resources As always, Google and StackOverflow are your friends. HTH, Youngwoo On Fri, Jul 24, 2015 at 4:13 PM, sajid mohammed sajid.had...@gmail.com wrote: Hi all I am changing my

dfs.permissions.superusergroup not working

Hi, I have add two groups under dfs.permissions.superusergroup property as below property namedfs.cluster.administrators/name value hdfs,hdpdadmngrp/value /property Restarted the HDFS after the change. But I am not able to run the below command hdfs dfsadmin -refreshNodes

Re: Reg : Hadoop Administration Material

Can refer my Github, very specific to Hadoop Adminstration. https://github.com/netxillon/hadoop On 24/07/15 1:59 pm, 김영우 wrote: Hi sajid, I would like to let you know my notes on that, See https://github.com/youngwookim/awesome-hadoop#resources As always, Google and StackOverflow are your

Re: dfs.permissions.superusergroup not working

Is there a typo in your email, or did you set dfs.cluster.administrators instead of intending to set dfs.permissions.superusergroup? Also, are your id outputs from the NameNode machines? Cause by default the group lookups happen local to your NameNode machine. On Sat, Jul 25, 2015 at 1:31 AM