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[expand - 1 more] - 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
Alternatives to start-all.sh stop-all.sh func - Hadoop - [mail # user]
...I remember when I was first setting up a hadoop cluster wondering exactly what the SSH-KEYs did and why and if they were needed. start-all.sh and stop-all.sh are good for what they do but th...
   Author: Edward Capriolo, 2010-07-16, 16:36
Re: Setting different hadoop-env.sh for DataNode, TaskTracker - Hadoop - [mail # user]
...On Tue, Jul 13, 2010 at 10:46 AM, Matt Pouttu-Clarke  wrote: de ry? ay contain confidential and privileged information of iCrossing. Any unauth orized review, use, disclosure or distrib...
   Author: Edward Capriolo, 2010-07-13, 15:27
HDFS moves and MapReduce jobs - Hadoop - [mail # user]
...This is a question I should go and test out myself but was wondering if anyone has a quick answer.  We have map/reduce jobs that produce lots of smaller files to a folder. We also have ...
   Author: Edward Capriolo, 2010-07-09, 21:43
Re: rebalancing replication help - Hadoop - [mail # user]
...On Wed, Jul 7, 2010 at 9:18 PM, Arun Ramakrishnan  wrote: ting it in the general list. taken. Please comment on what I can do better.  increase the replication factor from 2 to 3. ...
   Author: Edward Capriolo, 2010-07-08, 01:57
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