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a few questions - MapReduce - [mail # user]
...Guys,  A few questions please.  1. When I tried to run Oozie examples I was told to copy to copy /examples folder into HDFS. However when I tried to run oozie job I was told that t...
   Author: Kartashov, Andy, 2012-11-09, 16:13
RE: notorious impersonation ERROR - SOLVED - MapReduce - [mail # user]
...Guys,  OK, this is what you need to do to enable Oozie impersonation of a User.  Forget about  modifying oozie-site.xml. The only file I needed to modify was core-site.xml. &n...
   Author: Kartashov, Andy, 2012-11-09, 16:06
[expand - 1 more] - RE: notorious impersonation ERROR - MapReduce - [mail # user]
...Oleg,  Thanks. I had added oozie to the hadoop group. Do I also need to restart NN daemon?   From: Oleg Zhurakousky [mailto:[EMAIL PROTECTED]] Sent: Friday, November 09, 2012 9:24 ...
   Author: Kartashov, Andy, 2012-11-09, 14:27
hadoop - running examples - MapReduce - [mail # user]
...Guys,  When running examples, you bring them into HDFS. Say, you need to make some correction to a file, you need to make them on local FS and run $hadoop fs -put ... again. You cannot ...
   Author: Kartashov, Andy, 2012-11-08, 21:48
RE: feel puzzled at HDFS group permissions check - MapReduce - [mail # user]
...Try adding user [raw] to the hadoop group. For now, user [raw] belongs to the “others” where there are no read|write|execute permissions are set. From: rongshen.long [mailto:[EMAIL PROTECTED...
   Author: Kartashov, Andy, 2012-11-08, 19:25
[expand - 1 more] - RE: Hadoop processing - MapReduce - [mail # user]
...Thanks guys for your responses. This is exactly what my guts were telling me. I suspected that : "So in that case, yes the data is shipped to the node".  As per suggestion on here, I we...
   Author: Kartashov, Andy, 2012-11-08, 15:57
RE: Sticky Bit Problem (CDH4.1) - MapReduce - [mail # user]
...Have you tried hadoop fs -chmod a+rwx /tmp   From: Arun C Murthy [mailto:[EMAIL PROTECTED]] Sent: Wednesday, November 07, 2012 3:11 PM To: [EMAIL PROTECTED] Subject: Re: Sticky Bit Prob...
   Author: Kartashov, Andy, 2012-11-07, 20:44
RE: Map-Reduce V/S Hadoop Ecosystem - MapReduce - [mail # user]
...The way I understand it...  Hadoop is a distributed file system that allows you to create folders in its own NameSpace, copy  files to and  from your local Linux FS. Set-up Ha...
   Author: Kartashov, Andy, 2012-11-07, 16:06
config ... answer for Visioner Sadak - MapReduce - [mail # user]
...Sadak,  Sorry, could not answer your original e-mail as it was blocked.  Are you running SNN on a separate node?  If so, it needs to communicate with NN.  Add this proper...
   Author: Kartashov, Andy, 2012-11-07, 14:39
warning message - MapReduce - [mail # user]
...Guys,  Sometimes I get an occasional e-mail saying at the top:  "This might be a phishing e-mail and is potentially unsafe. Links and other functionality have been disabled...." &n...
   Author: Kartashov, Andy, 2012-11-07, 14:33
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