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Re: Can't start the namenode - Hadoop - [mail # user]
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...I kind of found the problem. If I open the logs directory, I see that this log file is created by hdfs -rw-r--r-- 1 hdfs hdfs 1399 Jul 6 21:48 hadoop-hadoop-namenode-myservername...
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Author: Mark Kerzner,
2011-07-07, 04:51
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Can't start the namenode - Hadoop - [mail # user]
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...Hi, when I am trying to start a namenode in pseudo-mode sudo /etc/init.d/hadoop-0.20-namenode start I get a permission error java.io.FileNotFoundException: /usr/lib...
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Author: Mark Kerzner,
2011-07-07, 04:38
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Setting up users on for CDH3 - Hadoop - [mail # user]
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...From: "Mark Kerzner" Date: Jul 6, 2011 6:13 PM Subject: Setting up users on for CDH3 To: "CDH Users" Hi, what are the best practices to set up user accounts for CDH3? I kn...
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Author: Mark Kerzner,
2011-07-07, 01:44
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Re: Hadoop Summit - Poster 49 - Hadoop - [mail # user]
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...Ah, I just came from Santa Clara! Will there be sessions online? Thank you, Mark On Tue, Jun 28, 2011 at 2:43 PM, Bharath Mundlapudi wrote: ...
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Author: Mark Kerzner,
2011-06-28, 19:56
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Re: Comparing two logs, finding missing records - Hadoop - [mail # user]
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...Thank you, Bharath, tomorrow I will get the reaction to my solution from the actual person who posed the problem for me, and then we will see what details I might have missed. Mark &nb...
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Author: Mark Kerzner,
2011-06-27, 02:20
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Re: Comparing two logs, finding missing records - Hadoop - [mail # user]
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...Bharath, how would a Pig query look like? Thank you, Mark On Sun, Jun 26, 2011 at 5:12 PM, Bharath Mundlapudi wrote: ...
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Author: Mark Kerzner,
2011-06-27, 00:50
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Re: Comparing two logs, finding missing records - Hadoop - [mail # user]
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...Interesting, Bharath, I will look at these. Mark On Sun, Jun 26, 2011 at 5:12 PM, Bharath Mundlapudi wrote: ...
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Author: Mark Kerzner,
2011-06-26, 22:24
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Re: Comparing two logs, finding missing records - Hadoop - [mail # user]
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...Kumar, thank you, that is the exact solution to my problem as I have formulated it. That's valid and it stands, but I should have added that the two logs each have time stamps and that...
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Author: Mark Kerzner,
2011-06-26, 05:53
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Comparing two logs, finding missing records - Hadoop - [mail # user]
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...Hi, I have two logs which should have all the records for the same record_id, in other words, if this record_id is found in the first log, it should also be found in the second one. Ho...
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Author: Mark Kerzner,
2011-06-26, 04:39
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Backup and upgrade practices? - Hadoop - [mail # user]
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...Hi, I am planning a small Hadoop cluster, but looking ahead, are there cheaps option to have a back up of the data? If I later want to upgrade the hardware, do I make a complete copy, ...
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Author: Mark Kerzner,
2011-06-22, 13:20
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