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Re: Supersede a data node help: how to move all files out of a Hadoop data node? - Hadoop - [mail # user]
...On Fri, Aug 20, 2010 at 4:31 PM, jiang licht  wrote: data that is still in use. So, I want to move all its files/blocks to other  live data nodes in the same cluster. f time, it wi...
   Author: Edward Capriolo, 2010-08-20, 20:39
Re: namenode crash in centos. can anybody recommend jdk ? - Hadoop - [mail # user]
...On Mon, Aug 16, 2010 at 10:51 AM, Michael Thomas  w rote: too s Xmx2G re  which  NameNode needs more memory with more files. Even larger file names use more memory. Compressed...
   Author: Edward Capriolo, 2010-08-16, 14:59
Re: Scheduler recommendation - Hadoop - [mail # user]
...Sorry I can not speak for the capacity scheduler. We use the fair share and I just modified the configuration so I figured I would chime in.  We have the same use case as you production...
   Author: Edward Capriolo, 2010-08-11, 22:47
Re: Best practices - Large Hadoop Cluster - Hadoop - [mail # user]
...On Tue, Aug 10, 2010 at 10:01 AM, Brian Bockelman  wr ote: it up as a system service and let your configuration management software ta ke care of it. mething like puppet or cfEngine. gg...
   Author: Edward Capriolo, 2010-08-10, 14:25
Re: Backing up HDFS - Hadoop - [mail # user]
...On Tue, Aug 3, 2010 at 11:46 AM, Michael Segel  wrote:   Right. it all depends on what you want and your needs. In my example I wanted near line backups for a lot of data that I ca...
   Author: Edward Capriolo, 2010-08-03, 16:07
Re: Combiner function - Hadoop - [mail # user]
...On Mon, Aug 2, 2010 at 4:28 PM, Jackob Carlsson  wrote: gle dding a  No. That is the exact opposite goal of the combiner. It runs locally. It only runs when certain thresholds in t...
   Author: Edward Capriolo, 2010-08-02, 20:34
Re: Set variables in mapper - Hadoop - [mail # user]
...On Mon, Aug 2, 2010 at 12:17 PM, Erik Test  wrote: om his put,  You can pass variables to the Job using the JobConf class.  In your Driver class: jobConf.set("clone_path", clo...
   Author: Edward Capriolo, 2010-08-02, 16:23
Re: mapred.userlog.retain.hours - Hadoop - [mail # user]
...On Thu, Jul 29, 2010 at 1:30 PM, vishalsant  wro te: ude .hours-tp29298881p29298881.html  This parameter effects JobTrackers and TaskTrackers so you also restart the wrong hadoop c...
   Author: Edward Capriolo, 2010-07-29, 21:05
Re: Is it safe to set default/minimum replication to 2? - Hadoop - [mail # user]
...On Wed, Jul 21, 2010 at 11:45 PM, Brian Bockelman  wr ote: space. e for the LHC, so a large part of our data is stored on tape elsewhere (but  not everything!). ┬áIt's an operationa...
   Author: Edward Capriolo, 2010-07-22, 04:28
Re: Most Common ways to load data into Hadoop in production systems - Hadoop - [mail # user]
...On Wed, Jul 21, 2010 at 12:42 PM, Xavier Stevens  wro te: ut  use n ould  Hadoop Mailing list presents... An ASF film... from the producer of 'dfs -copyFromLocal'...  How...
   Author: Edward Capriolo, 2010-07-21, 16:55
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