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RE: Hadoop processing - MapReduce - [mail # user]
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...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...
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Author: Kartashov, Andy,
2012-11-08, 15:57
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Hadoop processing - MapReduce - [mail # user]
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...Hadoopers, “Hadoop ships the code to the data instead of sending the data to the code.” Say you added two DNs/TTs to the cluster. They have no data at this point, i.e. you have not ran the b...
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Author: Kartashov, Andy,
2012-11-08, 14:35
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RE: Sticky Bit Problem (CDH4.1) - MapReduce - [mail # user]
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...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...
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Author: Kartashov, Andy,
2012-11-07, 20:44
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RE: Map-Reduce V/S Hadoop Ecosystem - MapReduce - [mail # user]
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...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...
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Author: Kartashov, Andy,
2012-11-07, 16:06
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config ... answer for Visioner Sadak - MapReduce - [mail # user]
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...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...
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Author: Kartashov, Andy,
2012-11-07, 14:39
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warning message - MapReduce - [mail # user]
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...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...
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Author: Kartashov, Andy,
2012-11-07, 14:33
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RE: starting Daemons remotely, through ssh - SOLVED - MapReduce - [mail # user]
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...Forrest, I must admit. I am very new myself. Two months ago I didn't know what "$sudo" was. :) So, do not take my comments too seriously. I could be wrong about many issues. &nbs...
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Author: Kartashov, Andy,
2012-11-06, 20:46
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RE: starting Daemons remotely, through ssh - SOLVED - MapReduce - [mail # user]
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...Harsh/Ravi, I wrote my own scripts to [start|stop|restart] [hdfs|mapred] daemons. The content of the script is $sudo service /etc/init.d/hadoop-[hdfs-*|mapred-*] I ha...
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Author: Kartashov, Andy,
2012-11-06, 20:07
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starting Daemons remotely, through ssh - MapReduce - [mail # user]
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...Hadoopers, How does one start Daemons remotely when scripts normally require root user to start them? Do you modify scripts? Thanks, NOTICE: This e-mail message and any attachmen...
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Author: Kartashov, Andy,
2012-11-06, 19:25
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cluster set-up / directory structure or something that I was originally confused about - MapReduce - [mail # user]
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...Hadoopers, Last month I asked question 2 and this is what I have recently learned. If you decide to overwrite Hadoop default directories (recommended) this is what to keep in min...
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Author: Kartashov, Andy,
2012-11-06, 15:22
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