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Re: Prolonged safemode - MapReduce - [mail # user]
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...Hi Tariq, I often have to force HDFS to go out of safe mode manually when I restart my cluster (or after power outage).... I never tought about reporting that ;) I'm using hadoop...
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Author: Jean-Marc Spaggiari,
2013-01-19, 23:38
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Re: Estimating disk space requirements - MapReduce - [mail # user]
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...20 nodes with 40 GB will do the work. After that you will have to consider performances based on your access pattern. But that's another story. JM 2013/1/18, Panshul Whispe...
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Author: Jean-Marc Spaggiari,
2013-01-18, 13:26
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Re: Estimating disk space requirements - MapReduce - [mail # user]
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...Hi Panshul, If you have 20 GB with a replication factor set to 3, you have only 6.6GB available, not 11GB. You need to divide the total space by the replication factor. Also, if ...
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Author: Jean-Marc Spaggiari,
2013-01-18, 12:36
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Re: does "fs -put " create subdirectories? - MapReduce - [mail # user]
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...Yes it does, you can just try ;) hadoop@node3:~/hadoop-1.0.3$ bin/hadoop fs -ls /user/ Found 1 items drwxr-xr-x - hbase supergroup 0 2013-01-03...
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Author: Jean-Marc Spaggiari,
2013-01-16, 16:58
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Re: Hadoop NON DFS space - MapReduce - [mail # user]
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...I think you can still run with the OS on another drive, or on a live USB drive, or even on the memory only, loaded from the network while the server is booting from the network drive, etc. N...
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Author: Jean-Marc Spaggiari,
2013-01-16, 13:13
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Re: Exit code 126? - MapReduce - [mail # user]
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...Thanks. I will see if I can migrate from 1.0.3 to something more recent... JM 2013/1/14, Dave Shine :...
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Author: Jean-Marc Spaggiari,
2013-01-14, 14:45
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Re: Exit code 126? - MapReduce - [mail # user]
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...Do you think it can be https://issues.apache.org/jira/browse/MAPREDUCE-4003 ? Because it's supposed to be fixed in 1.0.3 and that's the version I'm using... 2013/1/11, Dave Shine :...
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Author: Jean-Marc Spaggiari,
2013-01-11, 22:35
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Exit code 126? - MapReduce - [mail # user]
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...Hi, I ran a very simple rowcount (HBase) MR today, and one of the tasks failed with the status 126. Seems that there is no logs at all on the server side. Any idea what this mean? &nbs...
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Author: Jean-Marc Spaggiari,
2013-01-11, 22:00
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Re: unsubscribe - MapReduce - [mail # user]
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...https://www.google.ca/search?q=unsubscribe+hadoop&oq=unsubscribe+hadoop&sugexp=chrome,mod=5&sourceid=chrome&ie=UTF-8 First link... http://hadoop.apache.org/mailing_lists.html &nb...
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Author: Jean-Marc Spaggiari,
2013-01-08, 16:03
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Re: Hadoop harddrive space usage - MapReduce - [mail # user]
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...Perfect, thanks. It's what I was looking for. I have few nodes, all with 2TB drives, but one with 2x1TB. Which mean that at the end, for Hadoop, it's almost the same thing. JM &n...
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Author: Jean-Marc Spaggiari,
2012-12-30, 16:22
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