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Re: How can I add a new hard disk in an existing HDFS cluster? - MapReduce - [mail # user]
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...go for ext3 or ext4 On Fri, May 3, 2013 at 8:32 AM, Joarder KAMAL wrote: Håvard Wahl Kongsgård Data Scientist Faculty of Medicine & Department of Mathematical Scie...
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Author: Håvard Wahl Kongsgård,
2013-05-03, 09:58
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Re: R environment with Hadoop - MapReduce - [mail # user]
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...Hi, simpler is always better ... ...for example if you use hadoop with java http://www.rforge.net/rJava/ ... if you use hadoop with python(pydoop,dumbo) http://rpy.sourceforge.ne...
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Author: Håvard Wahl Kongsgård,
2013-04-14, 06:46
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Re: Which hadoop installation should I use on ubuntu server? - MapReduce - [mail # user]
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...I recommend cloudera's CDH4 on ubuntu 12.04 LTS On Thu, Mar 28, 2013 at 7:07 AM, David Parks wrote: Håvard Wahl Kongsgård Data Scientist Faculty of Medicine & Depa...
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Author: Håvard Wahl Kongsgård,
2013-03-29, 08:21
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Re: Hadoop cluster hangs on big hive job - MapReduce - [mail # user]
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...hadoop logs? On 6. mars 2013 21:04, "Daning Wang" wrote: ...
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Author: Håvard Wahl Kongsgård,
2013-03-07, 08:21
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Re: Skipping entire task - MapReduce - [mail # user]
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...Thanks, I was unaware of mapred.max.map.failures.percent -Håvard On Sun, Jan 6, 2013 at 3:46 PM, Harsh J wrote: Håvard Wahl Kongsgård Faculty of Medicine & Dep...
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Author: Håvard Wahl Kongsgård,
2013-01-06, 15:29
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Re: example usage of s3 file system - MapReduce - [mail # user]
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...see also http://wiki.apache.org/hadoop/AmazonS3 On Tue, Aug 28, 2012 at 9:14 AM, Chris Collins wrote: tinkering I am not having a great deal of success. I am pa...
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Author: Håvard Wahl Kongsgård,
2012-08-29, 07:11
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Re: Using Multiple Input format with Hadoop Streaming - MapReduce - [mail # user]
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...dude preprocess the data! -Håvard On Sat, Aug 25, 2012 at 7:48 AM, Siddharth Tiwari wrote: w of Håvard Wahl Kongsgård Faculty of Medicine & Department of Mathe...
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Author: Håvard Wahl Kongsgård,
2012-08-26, 06:29
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Re: secondary namenode storage location - MapReduce - [mail # user]
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...https://ccp.cloudera.com/display/CDHDOC/CDH3+Deployment+on+a+Cluster#CDH3De ploymentonaCluster-ConfiguringtheSecondaryNameNode fs.checkpoint.dir /cache/hadoop/dfs fs.checkpoint....
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Author: Håvard Wahl Kongsgård,
2012-08-24, 14:44
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Re: namenode not starting - MapReduce - [mail # user]
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...You should start with a reboot of the system. A lesson to everyone, this is exactly why you should have a secondary name node (http://wiki.apache.org/hadoop/FAQ#What_is_the_purpose_of_...
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Author: Håvard Wahl Kongsgård,
2012-08-24, 12:37
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Re: Reading multiple lines from a microsoft doc in hadoop - MapReduce - [mail # user]
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...It's much easier if you convert the documents to text first use http://tika.apache.org/ or some other doc parser -Håvard On Fri, Aug 24, 2012 at 7:52 AM, Siddharth T...
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Author: Håvard Wahl Kongsgård,
2012-08-24, 06:07
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