| clear query|facets|time |
Search criteria: .
Results from 1 to 10 from
27 (0.125s).
|
|
|
Loading phrases to help you
refine your search...
|
|
Re: Reading json format input - MapReduce - [mail # user]
|
|
...Hi, I did that but still same exception error. I did: export HADOOP_CLASSPATH=/path/to/external.jar And then had a -libjars /path/to/external.jar added in my command but still same er...
|
|
|
Author: jamal sasha,
2013-05-30, 20:35
|
|
|
Difference between combiner and aggregator - MapReduce - [mail # user]
|
|
...Hi, I am trying to understand the difference between combiner and aggregator. Based on my readings: Wordcount example (mapper) aggregator class Mapper method MAP &nb...
|
|
|
Author: jamal sasha,
2013-04-05, 20:30
|
|
|
Re: Finding mean and median python streaming - MapReduce - [mail # user]
|
|
...Hi, I have a question. Why do I need to set number of reducers to 1. Since all the keys are sorted shouldnt most of the keys go to same reducer? On Tue, Apr 2, 2013 at 2:...
|
|
|
Author: jamal sasha,
2013-04-04, 20:24
|
|
|
Basic hadoop MR question - MapReduce - [mail # user]
|
|
...Hi, I have a quick question. I am trying to write MR code using python. In the word count example: http://www.michael-noll.com/tutorials/writing-an-hadoop-mapreduce-program-in-python/ ...
|
|
|
Author: jamal sasha,
2013-04-02, 21:38
|
|
|
Finding mean and median python streaming - MapReduce - [mail # user]
|
|
...Very dumb question.. I have data as following id1, value 1, 20.2 1,20.4 .... I want to find the mean and median of id1? I am using python hadoop streaming.. mapper.py for line in sys.s...
|
|
|
Author: jamal sasha,
2013-04-01, 21:25
|
|
|
Hadoop streaming weird problem - MapReduce - [mail # user]
|
|
...Hi, I am facing a weird problem. My python scripts were working just fine. I made few modifications.. tested via: cat input.txt | python mapper.py | sort | python reducer.py &nb...
|
|
|
Author: jamal sasha,
2013-03-29, 00:10
|
|
|
Re: copy chunk of hadoop output - MapReduce - [mail # user]
|
|
...Though it copies.. but it gives this error? On Fri, Mar 1, 2013 at 3:21 PM, jamal sasha wrote: ...
|
|
|
Author: jamal sasha,
2013-03-01, 23:27
|
|
|
Re: copy chunk of hadoop output - MapReduce - [mail # user]
|
|
...When I try this.. I get an error cat: Unable to write to output stream. Are these permissions issue How do i resolve this? THanks On Wed, Feb 20, 2013 at 12:21 PM, Harsh J ...
|
|
|
Author: jamal sasha,
2013-03-01, 23:21
|
|
|
Re: copy chunk of hadoop output - MapReduce - [mail # user]
|
|
...Awesome thanks :) On Tue, Feb 19, 2013 at 2:14 PM, Harsh J wrote: ...
|
|
|
Author: jamal sasha,
2013-02-19, 22:16
|
|
|
copy chunk of hadoop output - MapReduce - [mail # user]
|
|
...Hi, I was wondering in the following command: bin/hadoop dfs -copyToLocal hdfspath localpath can we have specify to copy not full but like xMB's of file to local drive? Is...
|
|
|
Author: jamal sasha,
2013-02-19, 22:08
|
|
|
|
