Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 1 to 10 from 18 (2.841s).
Loading phrases to help you
refine your search...
Re: About configuring cluster setup - MapReduce - [mail # user]
...It's not a good idea for anything more than Proof of Concept or Sandbox clusters.   On Tue, May 14, 2013 at 3:10 AM, Leonid Fedotov wrote:  ...
   Author: Chris Embree, 2013-05-14, 12:36
Re: Rack Aware Hadoop cluster - MapReduce - [mail # user]
...Here is a sample I stole from the web and modified slightly... I think.  HADOOP_CONF=/etc/hadoop/conf  while [ $# -gt 0 ] ; do   nodeArg=$1   exec wrote:  ...
   Author: Chris Embree, 2013-05-08, 20:49
Re: Rack Aware Hadoop cluster - MapReduce - [mail # user]
...Your script has an error in it.  Please test your script using both IP Addresses and Names, outside of hadoop.   On Wed, May 8, 2013 at 10:01 AM, Mohammad Mustaqeem wrote:  ...
   Author: Chris Embree, 2013-05-08, 14:11
Re: Rack Aware Hadoop cluster - MapReduce - [mail # user]
...Finally, one I can answer. :)  That should be in core-site.xml (unless it's moved from ver 1.x).  It needs to be in the configuration for NameNode(s) and JobTracker (Yarn).  I...
   Author: Chris Embree, 2013-05-08, 13:52
Re: Run multiple HDFS instances - MapReduce - [mail # user]
...Glad you got this working... can you explain your use case a little?   I'm trying to understand why you might want to do that.   On Thu, Apr 18, 2013 at 11:29 AM, Lixiang Ao  ...
   Author: Chris Embree, 2013-04-18, 15:52
Re: Cluster lost IP addresses - MapReduce - [mail # user]
...Hey John,  Make sure your /etc/hosts ( or DNS) is up to date and  any topology scripts are updated.  Unfortunately, NN is pretty dumb about IP's vs. Hostnames.  BTW, NN d...
   Author: Chris Embree, 2013-03-23, 05:22
Topology script frequency - MapReduce - [mail # user]
...I've checked all of the documentation, books and google searches I can think of....  I have a working topology script.  I have dynamic IP's.  I have an automated process to up...
   Author: Chris Embree, 2013-02-20, 20:17
Re: How to add users in supergroup? - MapReduce - [mail # user]
...Check your HDFS config file for the groupname you used as HDFS supergroup.  We used hdfs as the group name in our case.  Then just groupadd hdfs  (see man groupadd for additio...
   Author: Chris Embree, 2013-02-14, 16:55
Re: Mutiple dfs.data.dir vs RAID0 - MapReduce - [mail # user]
...Interesting question.  You'd probably need to benchmark to prove it out.  I'm not the exact details of how HDFS stripes data, but it should compare pretty well to hardware RAID. &n...
   Author: Chris Embree, 2013-02-11, 02:22
Re: Interested in learning hadoop - MapReduce - [mail # user]
...Just to maintain some balance on the list, Hortonworks has similar training vidos and a sandbox appliance.  http://hortonworks.com/community/  Enjoy.  On Sat, Feb 2, 2013 at 1...
   Author: Chris Embree, 2013-02-02, 15:53
Sort:
project
MapReduce (18)
HDFS (8)
Hadoop (6)
type
mail # user (18)
date
last 7 days (1)
last 30 days (4)
last 90 days (7)
last 6 months (18)
last 9 months (18)
author
Harsh J (1034)
Arun C Murthy (500)
Vinod Kumar Vavilapalli (346)
Todd Lipcon (282)
Amar Kamat (184)
Mohammad Tariq (174)
Thomas Graves (173)
Owen O'Malley (162)
Hemanth Yamijala (155)
Amareshwari Sriramadasu (153)
Pedro Costa (153)
Ted Yu (148)
Robert Evans (146)
Tom White (138)
Aaron Kimball (131)
Chris Embree