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Re: Mutiple dfs.data.dir vs RAID0 - HDFS - [mail # user]
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...thanks all for your feebacks. I have updated with hdfs config to add another dfs.data.dir entry and restarted the node. Hadoop is starting to use the entry, but is not spreading the ex...
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Author: Jean-Marc Spaggiari,
2013-02-11, 15:54
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Re: Mutiple dfs.data.dir vs RAID0 - HDFS - [mail # user]
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...The issue is that my MB is not doing JBOD :( I have RAID only possible, and I'm fighting for the last 48h and still not able to make it work... That's why I'm thinking about using dfs.data.d...
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Author: Jean-Marc Spaggiari,
2013-02-11, 02:19
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Mutiple dfs.data.dir vs RAID0 - HDFS - [mail # user]
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...Hi, I have a quick question regarding RAID0 performances vs multiple dfs.data.dir entries. Let's say I have 2 x 2TB drives. I can configure them as 2 separate drives mounte...
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Author: Jean-Marc Spaggiari,
2013-02-11, 01:57
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How to unsubcribe from the list (Re: unsubscribe) - HDFS - [mail # user]
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...Search on google and clic on the first link ;) https://www.google.ca/search?q=unsubscribe+hadoop+mailing+list 2013/1/18, Cristian Cira :...
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Author: Jean-Marc Spaggiari,
2013-01-18, 15:34
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Re: Problems - HDFS - [mail # user]
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...Hi Sean, It's strange. You should not faced that. I faced same kind of issues on a desktop with memory errors. Can you install memtest86 and fullty test your memory (one pass is ...
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Author: Jean-Marc Spaggiari,
2013-01-18, 15:24
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Re: Estimating disk space requirements - HDFS - [mail # user]
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...It all depend what you want to do with this data and the power of each single node. There is no one size fit all rule. The more nodes you have, the more CPU power you will have to proc...
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Author: Jean-Marc Spaggiari,
2013-01-18, 14:12
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Re: Problems - HDFS - [mail # user]
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...Hi Sean, This is an issue with your JVM. Not related to hadoop. Which JVM are you using, and can you try with the last from Sun? JM 2013/1/17, Sean Hudson :...
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Author: Jean-Marc Spaggiari,
2013-01-17, 14:52
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Re: Hadoop NON DFS space - HDFS - [mail # user]
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...Hi Vikas, You might want to check your logs. MR can generate huge logs depending on what you are logging, and they are not on the DFS. The are on non-dfs. If it's comming from there, y...
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Author: Jean-Marc Spaggiari,
2013-01-17, 13:55
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Hadoop harddrive space usage - HDFS - [mail # user]
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...Hi, Quick question regarding hard drive space usage. Hadoop will distribute the data evenly on the cluster. So all the nodes are going to receive almost the same quantity of data...
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Author: Jean-Marc Spaggiari,
2012-12-28, 17:12
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Re: M/R, Strange behavior with multiple Gzip files - HDFS - [mail # user]
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...Hi, Have you configured the mapredsite.xml to tell where the job tracker is? If not, your job is running on the local jobtracker, running the tasks one by one. JM PS: I fac...
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Author: Jean-Marc Spaggiari,
2012-12-06, 12:34
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