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cluster set-up / a few quick questions - MapReduce - [mail # user]
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...Gents, 1. - do you put Master's node under fs.default.name in core-site.xml on the slave machines or slaves' hostnames? - do you need to run "sudo -u hdfs hadoop namenode -format...
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Author: Kartashov, Andy,
2012-10-26, 16:40
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RE: datanode daemon SOLVED` - MapReduce - [mail # user]
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...Gents, Need to share with you my embarrassment... Solved this issue.. How? Well, while following the installation instructions I thought I installed all the daemons, but, after c...
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Author: Kartashov, Andy,
2012-10-26, 14:40
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datanode daemon - MapReduce - [mail # user]
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...Guys, I finally solved ALL the Errors: in ...datanode*.log after trying to start the node with "service datanode start". The errors were: - conflicting NN DD ids - solved t...
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Author: Kartashov, Andy,
2012-10-25, 19:40
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RE: ERROR:: SSH failour for distributed node hadoop cluster - MapReduce - [mail # user]
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...Yoges, If you are asked for a password you PSSWDLSS SSH is not working. Shoot, forgot one detail. Please rememeber to set file authorized_keys to 6 00 permission. :) From:...
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Author: Kartashov, Andy,
2012-10-25, 17:37
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RE: ERROR:: SSH failour for distributed node hadoop cluster - MapReduce - [mail # user]
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...Yogesh, One need to understand how passwordless ssh work. Say there is a user “yosh” He types ssh localhost and is prompted for a password. This is how to resol ve this. 1....
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Author: Kartashov, Andy,
2012-10-25, 16:37
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RE: ERROR:: SSH failour for distributed node hadoop cluster - MapReduce - [mail # user]
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...Yogesh, Have you figured it out? I had the same issue (needed passwordless ssh) and managed. Let me know if you are still stuck. AK47 From: [EMAIL PROTECTED] [mailto:...
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Author: Kartashov, Andy,
2012-10-25, 16:01
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question on FileInputFormat.addInputPath and data access - MapReduce - [mail # user]
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...Gents, Two questions: 1. Say you have 5 folders with input data (fold1,fold2,fold3,....,fold5) in you hdfs in pseudo-dist mode cluster. You will write your MR job ...
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Author: Kartashov, Andy,
2012-10-24, 14:23
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RE: Sqoop 1.4.1-cdh4.0.1 is not running in Hadoop 2.0.0-cdh4.1.1 SOLVED! - MapReduce - [mail # user]
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...Found a solution after searching for hsqldb-1.8.0.10.jar and replacing them with latest hsqldb.jar. Found them inside: /usr/lib/hadoop/client-0.20/ /usr/lib/hadoop-0.20-mapreduce...
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Author: Kartashov, Andy,
2012-10-23, 19:57
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Sqoop 1.4.1-cdh4.0.1 is not running in Hadoop 2.0.0-cdh4.1.1 - MapReduce - [mail # user]
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...Guys tried for hours to resolve this error. I am trying to import a table to Hadoop using Sqoop. ERROR is: Error: org.hsqldb.DatabaseURL.parseURL(Ljava/lang/String;ZZ)Lorg/hsqldb...
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Author: Kartashov, Andy,
2012-10-23, 19:17
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RE: task trackers - MapReduce - [mail # user]
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...Cheers Vinod. From: Vinod Kumar Vavilapalli [mailto:[EMAIL PROTECTED]] Sent: Monday, October 22, 2012 2:04 PM To: [EMAIL PROTECTED] Subject: Re: task trackers Even JT accepts exc...
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Author: Kartashov, Andy,
2012-10-22, 19:17
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