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Re: Finding mean and median python streaming - HDFS - [mail # user]
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...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...
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Author: jamal sasha,
2013-04-01, 23:35
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Re: Finding mean and median python streaming - HDFS - [mail # user]
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...data_dict is declared globably as data_dict = defaultdict(list) On Mon, Apr 1, 2013 at 2:25 PM, jamal sasha wrote: ...
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Author: jamal sasha,
2013-04-01, 21:27
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mappers-node relationship - HDFS - [mail # user]
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...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 ...
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Author: jamal sasha,
2013-01-25, 07:46
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Re: Program trying to read from local instead of hdfs - HDFS - [mail # user]
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...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...
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Author: jamal sasha,
2013-01-18, 00:18
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Re: Program trying to read from local instead of hdfs - HDFS - [mail # user]
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...No. Its not working. :( same error. On Thu, Jan 17, 2013 at 4:00 PM, Mohammad Tariq wrote: ...
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Author: jamal sasha,
2013-01-18, 00:06
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Program trying to read from local instead of hdfs - HDFS - [mail # user]
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...Hi, I am not sure what I am doing wrong. I copy my input files from local to hdfs at local /user/hduser/data/input1.txt /user/hduser/data/input2.txt In my driver code: I h...
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Author: jamal sasha,
2013-01-17, 23:56
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newbie question - HDFS - [mail # user]
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...I have a mapper public class BuildGraph{ public void config(JobConf job){ *<==this block doesnt seems to be exexcuting at all :(* &n...
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Author: jamal sasha,
2013-01-16, 01:24
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Re: setting hadoop for pseudo distributed mode. - HDFS - [mail # user]
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...Hi, Thanks for throwing insight. So the code snippet looks like this String interout = final_output + "/intermediate"; try { new C...
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Author: jamal sasha,
2012-12-27, 21:08
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setting hadoop for pseudo distributed mode. - HDFS - [mail # user]
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...Hi, So I am still in process of learning hadoop. I tried to run wordcount.java (by writing my own mapper reducer.. creating jar and then running it in a pseudo distributed mode). &nbs...
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Author: jamal sasha,
2012-12-27, 20:03
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