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distcp question - Hadoop - [mail # user]
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...I have 2 different versions of Hadoop running. I need to copy significant amount of data (100tb) from one cluster to another. I know distcp is the way to do. On the target cluster I ha...
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Author: Rita,
2012-10-12, 13:44
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Re: file checksum - Hadoop - [mail # user]
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...what is the parameter I can use to check more often, like 3 days? On Mon, Jun 25, 2012 at 7:33 AM, Kai Voigt wrote: ...
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Author: Rita,
2012-06-26, 00:46
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file checksum - Hadoop - [mail # user]
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...Does Hadoop, HDFS in particular, do any sanity checks of the file before and after balancing/copying/reading the files? We have 20TB of data and I want to make sure after these operating are...
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Author: Rita,
2012-06-25, 11:29
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namenode restart - Hadoop - [mail # user]
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...Running Hadoop 0.22 and I need to restart the namenode so my new rack configuration will be set into place. I am thinking of doing a quick stop and start of the namenode but what will happen...
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Author: Rita,
2012-06-07, 10:29
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Re: freeze a mapreduce job - Hadoop - [mail # user]
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...thanks. I think I will investigate capacity scheduler. On Fri, May 11, 2012 at 7:26 AM, Michael Segel wrote: ...
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Author: Rita,
2012-05-11, 11:52
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freeze a mapreduce job - Hadoop - [mail # user]
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...I have a rather large map reduce job which takes few days. I was wondering if its possible for me to freeze the job or make the job less intensive. Is it possible to reduce the number of slo...
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Author: Rita,
2012-05-11, 10:43
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compression - Hadoop - [mail # user]
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...How is data compressed in hbase? Is there data compressed after it hits the disk or does the client do the compression and sent it to the region server? It would be more efficient once it go...
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Author: Rita,
2012-04-18, 10:56
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hdfs file browser - Hadoop - [mail # user]
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...Is it possible to get pretty URLs when doing HDFS file browsing via web browser? ...
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Author: Rita,
2012-04-17, 12:12
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setting client retry - Hadoop - [mail # user]
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...In the hdfs-site.xml file what argument do I need to set for client retries? Also, what is the default parameter? ...
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Author: Rita,
2012-04-12, 12:35
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Re: hadoop filesystem cache - Hadoop - [mail # user]
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...My intention isn't to make it a mandatory feature just as an option. Keeping data locally on a filesystem as a method of Lx cache is far better than getting it from the network and the cost ...
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Author: Rita,
2012-01-17, 12:27
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