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[expand - 1 more] - Re: MAP_INPUT_RECORDS counter in the reducer - MapReduce - [mail # user]
...Hi again, I've run into this link: http://mail-archives.apache.org/mod_mbox/hadoop-mapreduce-user/201112.mbox/%3CCAFE9998.2FEF6%[EMAIL PROTECTED]%3E Looks like a nice idea. Have someone trie...
   Author: Yaron Gonen, 2013-09-20, 09:12
Re: Naïve k-means using hadoop - MapReduce - [mail # user]
...Thanks! *Bertrand*: I don't like the idea of using a single reducer. A better way for me is to write all the output of all the reducers to the same directory, and then distribute all the fil...
   Author: Yaron Gonen, 2013-03-27, 13:04
[expand - 1 more] - Re: InputFormat for some REST api - MapReduce - [mail # user]
...Thanks, and excellent points. I just wanted to know if someone is working this way and if it is a common use-case.   On Tue, Feb 19, 2013 at 7:39 PM, Mohammad Tariq  wrote:  ...
   Author: Yaron Gonen, 2013-02-19, 19:28
[expand - 1 more] - RE: Profiling the Mapper using hprof on Hadoop 0.20.205 - MapReduce - [mail # user]
...I tried various range values. I'm not even seeing the map method and the recordreader methods. On Feb 7, 2013 3:58 AM, "java8964 java8964"  wrote:  ...
   Author: Yaron Gonen, 2013-02-07, 04:47
[expand - 1 more] - Re: Some general questions about DBInputFormat - MapReduce - [mail # user]
...Hi again Nick, DBInputFormat does use Connection.TRANSACTION_SERIALIZABLE, but this a per connection attribute. Since every mapper has its own connection, and every connection is opened in a...
   Author: Yaron Gonen, 2012-09-12, 13:54
Re: How to debug - MapReduce - [mail # user]
...Hi, First, add the following to mapred-site.xml :    mapred.child.java.opts   -Xmx512m -Xdebug -Xrunjdwp:transport=dt_socket,address 127.0.0.1:9987,suspend=y  Now. add a ...
   Author: Yaron Gonen, 2012-08-26, 07:06
[expand - 2 more] - Re: Keeping Map-Tasks alive - MapReduce - [mail # user]
...Thanks. As I see it, it cannot be done in the MapReduce 1 framework without changing TaskTracker and JobTracker. Problem is I'm not familiar at all with YARN... it might be possible there. T...
   Author: Yaron Gonen, 2012-08-06, 07:23
Keeping intermediate results - MapReduce - [mail # user]
...Hi, Suppose I have chained M/R jobs that traverse a graph and look for nodes with a specific value. Every time a Map encounters that value, I'd like to keep that node in the final result. I ...
   Author: Yaron Gonen, 2011-11-06, 16:21
[expand - 2 more] - Re: Mapper Getting the whole split and not just line by line - MapReduce - [mail # user]
...thanks! I'll try overriding the run method first.  On Wed, Oct 12, 2011 at 3:18 PM, Harsh J  wrote:  e t rs...
   Author: Yaron Gonen, 2011-10-12, 19:14
[expand - 1 more] - Re: Submitting a Hadoop task from withing a reducer - MapReduce - [mail # user]
...Thanks guys. I'll dig a little in Yarn.  On Tue, Oct 4, 2011 at 6:28 PM, Joey Echeverria  wrote:  ...
   Author: Yaron Gonen, 2011-10-05, 13:50
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