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Re: from relational to bigger data - Hadoop - [mail # user]
...In big data terms, 500G isn't big.  But, moving that much data around every night is not trivial either.  I'm going to guess at a lot here, but at a very high level.  1. Sqoop...
   Author: Chris Embree, 2013-12-19, 20:51
Re: Apache Ambari - Hadoop - [mail # user]
...Unless something has recently changed, Ambari cannot work on an existing cluster.  One of the several reasons we chose to eschew it.  On 12/5/13, Jilal Oussama  wrote:...
   Author: Chris Embree, 2013-12-05, 15:36
Re: Rack Awareness - Hadoop - [mail # user]
...Make sure you have the topology script available on the JobTracker server as well. This also requires a jobtracker stop/start to take effect. Also, make sure $HADOOP_CONF resolves properly a...
   Author: Chris Embree, 2013-03-26, 12:33
Re: [DISCUSS] stabilizing Hadoop releases wrt. downstream - Hadoop - [mail # general]
...Hey Roman,  I don't want to hi-jack your topic with tech talk if detracts from your primary purpose, so please re-direct me as you see fit.  There are a lot of details but it seems...
   Author: Chris Embree, 2013-02-27, 02:52
Re: Using NFS mounted volume for Hadoop installation/configuration - Hadoop - [mail # user]
...Just for clarification, we only use NFS for binaries and config files.  HDFS and MarpRed write to local disk.  We just don't install an OS there.  On Mon, Feb 18, 2013 at 1:44...
   Author: Chris Embree, 2013-02-18, 19:31
Re: configure mapreduce to work with pem files. - Hadoop - [mail # user]
...You need to configure ssh to use your pem files, by default it uses dsa or rsa files.  Look at man ssh_config.    On Wed, Feb 13, 2013 at 6:46 AM, Pedro Sá da Costa wrote: &nb...
   Author: Chris Embree, 2013-02-13, 12:59
Re: does "fs -put " create subdirectories? - Hadoop - [mail # user]
...Good point Harsh.  As a Linux Admin, I prefer the behavior of 2.x.  It allows me to see if I've made a mistake in my planned placement of files instead of blindly writing.  On...
   Author: Chris Embree, 2013-01-16, 17:36
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