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Re: Hadoop problems - HDFS - [mail # user]
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...In the next ApacheCon, Kathleen Ting, one of Cloudera�s Custome Operations Engineer will give a talk related to this topic. I don�t have the exact link right now, but you can...
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Author: Marcos Ortiz,
2013-02-17, 05:42
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Re: Mutiple dfs.data.dir vs RAID0 - HDFS - [mail # user]
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...We have seen in several of our Hadoop clusters that LVM degrades performance of our M/R jobs, and I remembered a message where Ted Dunning was explaining something about this, and since that...
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Author: Marcos Ortiz,
2013-02-11, 02:39
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Re: Reg: No space left on device Exception - HDFS - [mail # user]
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...It seems that you don´t have enough space in your TaskTracker/DataNode node. Did you check available space on your dedicated hard drives to host your data in your TT/DN machine? ...
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Author: Marcos Ortiz,
2012-12-07, 05:52
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Re: Hadoop V/S Cassandra - HDFS - [mail # user]
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...On 12/06/2012 11:55 AM, yogesh dhari wrote: There are two projects in Hadoop working to avoid SPOF called HDFS HA and HDFS Federation. There is a new branch called YARN which include a...
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Author: Marcos Ortiz,
2012-12-06, 18:04
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Re: namenode directory disappear after machines restart - HDFS - [mail # user]
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...This is an usual behavior on Unix/Linux systems. When you restart the system, the content of the /tmp directory is cleaned, because precisely, the purpose of this directory is t...
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Author: Marcos Ortiz,
2012-05-22, 05:24
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Re: unable to resolve the heap space error even when running the examples - HDFS - [mail # user]
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...Can you show to us the logs of your NN/DN? On 04/12/2012 03:28 AM, SRIKANTH KOMMINENI (RIT Student) wrote: Marcos Luis Ort�z Valmaseda (@marcosluis2186) Data Engineer at...
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Author: Marcos Ortiz,
2012-04-12, 14:16
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Re: Retry question - HDFS - [mail # user]
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...HDFS is precisely built with these concerns in mind. If you read a 60 GB file and the rack goes down, the system will present to you transparently another copy, based on your replication fac...
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Author: Marcos Ortiz,
2012-03-18, 17:12
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Re: Best practice to setup Sqoop,Pig and Hive for a hadoop cluster ? - HDFS - [mail # user]
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... On 03/15/2012 09:22 AM, Manu S wrote: Yes, this is the main purpose of Sqoop On the Cloudera site, you have the completed documentation for it Sqoop User Guide http://archive.clo...
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Author: Marcos Ortiz,
2012-03-15, 13:33
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Re: Error while using libhdfs C API - HDFS - [mail # user]
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... On 03/09/2012 07:34 AM, Amritanshu Shekhar wrote: Awesome, Amritanshu. CC to [EMAIL PROTECTED] Please, give some logs about your work with the compilation. How did you solve this? To h...
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Author: Marcos Ortiz,
2012-03-09, 14:12
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Notes about HA Name Node - HDFS - [mail # user]
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...Regards to all the list I was reading the NoSQL Weekly, and I saw that the HDFS developers are working in one of the most requested features for HDFS: High Availability in the Na...
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Author: Marcos Ortiz,
2012-03-08, 20:27
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