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Re: conf.set() and conf.get() - MapReduce - [mail # user]
...Ignorant question:  Did this just devolve into a java discussion?  On 12/30/13, unmesha sreeveni  wrote:...
   Author: Chris Embree, 2013-12-30, 06:24
Re: block replication - MapReduce - [mail # user]
...Maybe I'm just grouchy tonight.. it's seems all of these questions can be answered by RTFM. http://hadoop.apache.org/docs/current2/hadoop-project-dist/hadoop-hdfs/HdfsUserGuide.html  Wh...
   Author: Chris Embree, 2013-12-28, 02:06
FYI re: Sqoop jiras being reported - MapReduce - [mail # user]
...Hello Hadoopers.  I thought I'd share a couple of sqoop bugs we found recently.  1)  If, for some reason, sqoop fails to move a file/directory to it's -target-dir because the ...
   Author: Chris Embree, 2013-12-07, 06:50
Re: Using combiners in python hadoop streaming - MapReduce - [mail # user]
...LMGTFY: http://pydoop.sourceforge.net/docs/pydoop_script.html#pydoop-script-guide   On Wed, Sep 18, 2013 at 6:01 PM, jamal sasha  wrote:  ...
   Author: Chris Embree, 2013-09-18, 22:10
Re: Cloudera Vs Hortonworks Vs MapR - MapReduce - [mail # user]
...Our evaluation was similar except we did not consider the "management" tools any vendor provided as that's just as much lock in as any proprietary tool.  What if I want trade vendors? &...
   Author: Chris Embree, 2013-09-17, 01:17
Re: 'supergroup' in Hadoop - MapReduce - [mail # user]
...Hadoop (HDFS and MapReduce) get group membership, etc. from the OS.  The only "exception" is that you define the HDFS Superuser Group in the XML.  It still must exist at the OS Lev...
   Author: Chris Embree, 2013-09-12, 01:48
Re: Hadoop Metrics Issue in ganglia. - MapReduce - [mail # user]
...Did you try ganglia forums/lists?   On 9/11/13, orahad bigdata  wrote:...
   Author: Chris Embree, 2013-09-11, 18:40
Re: hadoop cares about /etc/hosts ? - MapReduce - [mail # user]
...This sound entirely like an OS Level problem and is slightly outside of the scope of this list, however.  I'd suggest you look at your /etc/nsswitch.conf file and ensure that the hosts:...
   Author: Chris Embree, 2013-09-10, 03:56
Re: Hardware Selection for Hadoop - MapReduce - [mail # user]
...As we always say in Technology... it depends!  What country are you in?  That makes a difference. How much buying power do you have?  I work for a Fortune 100 Company and we A...
   Author: Chris Embree, 2013-08-13, 00:45
Re: the options that used to tuning mapreduceV1 is still useful for YARN? - MapReduce - [mail # user]
...Steps to Hadoop 2.x documentation. 1. Realize reality, 2. Smoke 2-3 long joints, depending on tolerance levels 3. Review the code... 4. Allow the THC to take effect and view the code in a ne...
   Author: Chris Embree, 2013-08-12, 03:08
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