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Re: Hi - HDFS - [mail # user]
...[if gte mso 9]> Well, you can read the Cloudera Whitepapers about the advantages of  using Apache Hadoop on the architecture of many companies like Facebook,  eBay, Orbitz, etc ...
   Author: Marcos Ortiz, 2012-02-23, 15:21
Re: Block size in HDFS - HDFS - [mail # user]
...On 06/10/2011 10:35 AM, Pedro Costa wrote: HDFS is not very efficient storing small files, because each file is  stored in a block (of 64 MB in your case), and the block metadata is hel...
   Author: Marcos Ortiz, 2011-06-10, 16:01
Re: I/O Error on rsync to hdfs-fuse mount - HDFS - [mail # user]
...Did you check dmesg to search what is happening in your system? It seems that's a disc problem  El 6/9/2011 10:07 PM, J. Ryan Earl escribi�:  Marcos Lu�s Ort�z Valmaseda &nbs...
   Author: Marcos Ortiz, 2011-06-10, 02:37
[expand - 1 more] - Re: cant remove files from tmp - HDFS - [mail # user]
...How many DN you have? If this number is more than 1, check this in another DN to see if this  happens too there. Check the /var/log/messages or dmesg (like Todd said you) with this for ...
   Author: Marcos Ortiz, 2011-06-06, 21:11
[expand - 1 more] - Re: Changing dfs.block.size - HDFS - [mail # user]
...Another advice here, is that you can test the right block size with a  seemed enviroment to your production system, before to deploy the real  system, and then, you can avoid these...
   Author: Marcos Ortiz, 2011-06-06, 19:56
Re: Unable to start hadoop-0.20.2 but able to start hadoop-0.20.203 cluster - HDFS - [mail # user]
...On 05/31/2011 10:06 AM, Xu, Richard wrote: Regards, Xu When you installed on Solaris: - Did you syncronize the ntp server on all nodes:    echo "server youservernetp.com" > /etc...
   Author: Marcos Ortiz, 2011-05-31, 15:45
Re: Starting Datanode - HDFS - [mail # user]
...On 05/21/2011 11:38 AM, Harsh J wrote: Good points, Harsh Thanks for clarifire it   Marcos Lu�s Ort�z Valmaseda   Software Engineer (Large-Scaled Distributed Systems)   Un...
   Author: Marcos Ortiz, 2011-05-21, 17:13
[expand - 1 more] - Re: our experiences with various filesystems and tuning options - HDFS - [mail # user]
...On 05/10/2011 06:56 AM, Jonathan Disher wrote: Jonathan, I had the same issues on my PostgreSQL servers, and the main  issues was given by the kernel version that I was using. I upgrade...
   Author: Marcos Ortiz, 2011-05-10, 13:14
Re: Question regarding datanode been wiped by hadoop - HDFS - [mail # user]
...El 4/12/2011 10:46 AM, felix gao escribi�: 1- Did you check the DataNode�s logs? 2- Did you protect the NameNode�s dfs.name.dir and the dfs.edits.dir �s  directories? On these d...
   Author: Marcos Ortiz, 2011-04-12, 16:13
Re: cloudera CDH3 error: namenode running,but:Error: JAVA_HOME is not set and Java could not be found - HDFS - [mail # user]
...On Wed, 2011-03-16 at 23:19 +0800, Alex Luya wrote:  I think that this questions is for the cdh-users mailing list, but I will try to help you?  1- Are you sure that you installed ...
   Author: Marcos Ortiz, 2011-03-16, 16:15
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