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Re: Reading partition for reducer - Hadoop - [mail # dev]
...The question should be more specific here: Do you want to process a map's sorted total output or do you want to pre-process a whole partition (i.e. all data pertaining to one reducer)? Forme...
   Author: Harsh J, 2013-04-01, 13:51
Re: Yarn Writing ApplicationMaster, Client Exception "URISyntaxException: Expected scheme name at index 0" - Hadoop - [mail # user]
...Thanks Arun; I've filed https://issues.apache.org/jira/browse/YARN-511  On Thu, Mar 28, 2013 at 2:41 AM, Arun C Murthy  wrote:    Harsh J...
   Author: Harsh J, 2013-03-27, 21:41
Re: [VOTE] sed bylaws.html -e 's/lazy\s+consensus/consensus approval/gi' - Hadoop - [mail # general]
...Hi Yves,  See the section 'Binding Votes' on http://www.apache.org/foundation/voting.html for some clear text on that.  On Wed, Mar 27, 2013 at 9:51 AM, Yves S. Garret  wrote:...
   Author: Harsh J, 2013-03-27, 05:26
Re: For a new installation: use the BackupNode or the CheckPointNode? - Hadoop - [mail # user]
...David,  If the good copy on NFS exists post-crash of the NN, use that for lesser/zero loss than the SNN which can be an hour old (checkpoint period) by default. Thats the whole point fo...
   Author: Harsh J, 2013-03-27, 05:19
Re: Is the input values for reduce method sorted in any order? - Hadoop - [mail # user]
...MR will partition and sort inputs by keys by the key comparator, and then group them together when reading back via a grouping comparator (which is usually the same as the key comparator). I...
   Author: Harsh J, 2013-03-26, 06:28
Re: DataNode heartbeat average time peaks - Hadoop - [mail # user]
...What's your fsimage size? If its too high you would want to control the checkpoint transfer bandwidth to not affect the load at the NN. This is available via the JIRA HDFS-1457.   On Mo...
   Author: Harsh J, 2013-03-25, 15:31
Re: the part of the intermediate output fed to a reducer - Hadoop - [mail # dev]
...Hi,  On Sun, Mar 24, 2013 at 12:00 AM, preethi ganeshan  wrote:  Great, are you planning to contribute it upstream too? See https://issues.apache.org/jira/browse/MAPREDUCE-199...
   Author: Harsh J, 2013-03-23, 19:56
Re: Help on Hadoop wiki page - Hadoop - [mail # dev]
...Thanks Robin, I've added your ID into the contributor's group. You should be able to make the edits yourself now - please go ahead.   On Thu, Mar 21, 2013 at 6:41 PM, Robin Schumacher w...
   Author: Harsh J, 2013-03-21, 14:44
Re: question about scheduler rack awareness - Hadoop - [mail # user]
...You can use CombineFileInputFormat to achieve this with good locality hints. It tries to pack together block splits that belong to one node as much as possible.  On Tue, Mar 19, 2013 at...
   Author: Harsh J, 2013-03-19, 16:16
Re: Thanks!! - Hadoop - [mail # user]
...Just curious, why are we recommending one disables permissions rather than trying to make them understand it?  On Mon, Mar 18, 2013 at 2:03 PM, Brahma Reddy Battula  wrote:   ...
   Author: Harsh J, 2013-03-19, 00:21
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