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simple question : where is conf/hadoop-env.sh ? - Hadoop - [mail # user]
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...Hi guys : I do not see a "conf/hadoop-env.sh" file, which is required for hadoop installation, according to standard hadoop install directions which I find online and in the hadoop elephant ...
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Author: Jay Vyas,
2011-11-17, 18:40
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reducing mappers for a job - Hadoop - [mail # user]
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...Hi guys : In a shared cluster environment, whats the best way to reduce the number of mappers per job ? Should you do it with inputSplits ? Or simply toggle the values in the Job...
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Author: Jay Vyas,
2011-11-16, 18:05
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Re: Server log files, order of importance ? - Hadoop - [mail # user]
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...Thanks uma : I was looking for a more general list. Is there a good summary of various hadoop daemons and their logs online ? On Mon, Oct 31, 2011 at 6:16 PM, Uma Maheswara Rao G...
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Author: Jay Vyas,
2011-10-31, 22:39
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Server log files, order of importance ? - Hadoop - [mail # user]
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...Hi guys :I wanted to go through each of the server logs on my hadoop (single psuedo node) vm. In particular, I want to know where to look when things go wrong (i.e. so I can more effec...
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Author: Jay Vyas,
2011-10-31, 22:07
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Re: getting there (EOF exception). - Hadoop - [mail # user]
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...Harsh ! that was thetrick ! I changed the fs.deault.name to 0.0.0.0. from "localhost". Then, my java could easily connect with no problems to my remote hadoop namenode !!! ...
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Author: Jay Vyas,
2011-10-31, 05:36
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getting there (EOF exception). - Hadoop - [mail # user]
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...Hi guys : What is the meaning of an EOF exception when trying to connect to Hadoop by creating a new FileSystem object ? Does this simply mean the system cant be read ? jav...
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Author: Jay Vyas,
2011-10-30, 23:47
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namenode / mr jobs work... but external connection fails (video link) - Hadoop - [mail # user]
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...Hi guys : Well, I finally got my hadoop working just fine by using a different VM. This is a little crazy but .... I decided to make it easier to see my scenario so I put a...
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Author: Jay Vyas,
2011-10-30, 02:36
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can't format namenode.... - Hadoop - [mail # user]
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...Hi guys : In order to fix some issues im having (recently posted), I've decided to try to make sure my name node is formatted.... But the formatting fails (see 1 below) ..... So... To ...
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Author: Jay Vyas,
2011-10-29, 14:57
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Re: writing to hdfs via java api - Hadoop - [mail # user]
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...Thanks tom : Thats interesting.... First, I tried, and it complained that the input directory didnt exist, so I ran $> hadoop fs -mkdir /user/cloudera/input Then, I tried to d...
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Author: Jay Vyas,
2011-10-29, 02:57
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Re: writing to hdfs via java api - Hadoop - [mail # user]
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...Hi guys : Made more progress debugging my hadoop connection, but still haven't got it working...... It looks like my VM (cloudera hadoop) won't let me in. I find that there is no...
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Author: Jay Vyas,
2011-10-28, 23:04
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