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"No HADOOP COMMON HOME set." - Hadoop - [mail # user]
...Hi guys : I followed the exact directions on the hadoop installation guide for psuedo-distributed mode here http://hadoop.apache.org/common/docs/current/single_node_setup.html#Configuration ...
   Author: Jay Vyas, 2011-11-17, 20:07
[expand - 1 more] - Re: simple question : where is conf/hadoop-env.sh ? - Hadoop - [mail # user]
...I mean... when I look in the hadoop installation directory (after untarring it) ... I dont see any of those files in conf ...?  Does that mean i have to manually copy them over from the...
   Author: Jay Vyas, 2011-11-17, 19:04
reducing mappers for a job - Hadoop - [mail # user]
...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...
   Author: Jay Vyas, 2011-11-16, 18:05
[expand - 1 more] - Re: Server log files, order of importance ? - Hadoop - [mail # user]
...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...
   Author: Jay Vyas, 2011-10-31, 22:39
[expand - 1 more] - Re: getting there (EOF exception). - Hadoop - [mail # user]
...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 !!!  ...
   Author: Jay Vyas, 2011-10-31, 05:36
namenode / mr jobs work... but external connection fails (video link) - Hadoop - [mail # user]
...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...
   Author: Jay Vyas, 2011-10-30, 02:36
can't format namenode.... - Hadoop - [mail # user]
...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 ...
   Author: Jay Vyas, 2011-10-29, 14:57
[expand - 2 more] - Re: writing to hdfs via java api - Hadoop - [mail # user]
...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...
   Author: Jay Vyas, 2011-10-29, 02:57
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB