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Inputformat - HDFS - [mail # user]
...Hi,    I am using one of the libraries which rely on InputFormat. Right now, it is reading xml files spanning across mutiple lines. So currently the input format is like:  pub...
   Author: jamal sasha, 2013-06-21, 21:38
[expand - 4 more] - Re: Reading json format input - HDFS - [mail # user]
...Ok got this thing working.. Turns out that -libjars should be mentioned before specifying hdfs input and output.. rather than after it.. Thanks everyone.   On Thu, May 30, 2013 at 1:35 ...
   Author: jamal sasha, 2013-05-30, 20:57
Writing data in db instead of hdfs - HDFS - [mail # user]
...Hi,    Is it possible to save data in database (HBase, cassandra??) directly from hadoop. so that there is no output in hdfs but that it directly writes data into this db?  If...
   Author: jamal sasha, 2013-05-29, 20:38
[expand - 1 more] - Re: Finding mean and median python streaming - HDFS - [mail # user]
...pinging again. Let me rephrase the question. If my data is like: id, value  And I want to find average "value" for each id, how can i do that using hadoop streaming? I am sure, it shoul...
   Author: jamal sasha, 2013-04-01, 23:35
mappers-node relationship - HDFS - [mail # user]
...Hi.   A very very lame question. Does numbers of mapper depends on the number of nodes I have? How I imagine map-reduce is this. For example in word count example I have bunch of slave ...
   Author: jamal sasha, 2013-01-25, 07:46
[expand - 2 more] - Re: Program trying to read from local instead of hdfs - HDFS - [mail # user]
...On Thu, Jan 17, 2013 at 4:14 PM, Mohammad Tariq  wrote:   It runs :D But I am very curious. if i run the sample wordcount example normally .. it automatically reads from the hdfs l...
   Author: jamal sasha, 2013-01-18, 00:18
newbie question - HDFS - [mail # user]
...I have a mapper       public class BuildGraph{        public void config(JobConf job){ *<==this block doesnt seems to be exexcuting at all :(*   &n...
   Author: jamal sasha, 2013-01-16, 01:24
[expand - 1 more] - Re: setting hadoop for pseudo distributed mode. - HDFS - [mail # user]
...Hi,   Thanks for throwing insight.  So the code snippet looks like this  String interout = final_output + "/intermediate";      try {       new C...
   Author: jamal sasha, 2012-12-27, 21:08
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