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vinoth459 posted a discussion
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vinoth459 commented on Yerriswamy.Andra's blog post How to make connection between Hadoop and Eclipse
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Terry Healy replied to Terry Healy's discussion Balancer fails running 1.0.1Started by vinoth459 7 hours ago.
Started by lavanya on Tuesday.
Started by Debarshi Bhattacharya May 7.
Hi Friends,
Very thanks to you for spending valuable time for me.
I had installed one single node cluster in psudo-distributed mode on linux(RHEL). i had executed one sample mapreduce program through hadoop commands.I got the output correctly. Please help me i want make new programs using eclipse IDE .how to make connection between them.i didn't find any hadoop-ecclipse plugin in contrib folder.please help me the…
ContinuePosted by Yerriswamy.Andra on April 4, 2012 at 8:34pm — 1 Comment
Hi,
I wrote a map/red job and tested it in local eclipse. Then I deployed the map/red to the saver linux machine where the hadoop cluster runs by: making my map/red into a jar and collecting all the dependencies in a lib directory. So the deployment is very simple like this:
lib
<my map/red jar>
Now, at the command line I tried:
hadoop jar <my map/red jar> <my map/red class> -libjars lib/<the dependency jar>
But…
ContinuePosted by Yigang Chen on March 19, 2012 at 3:11pm — 3 Comments
Hi,
I'm totally new to hadoop admin. I recently set up a small hadoop cluster. The web map/red admin page shows something like:
172 Hadoop Map/Reduce Administration
I wonder if there a way to configure a codename for the cluster so that the admin page would show something like:
<the codename of the cluster> Map/Reduce Administration
Anyone knows how to (or not) do this?
Posted by Yigang Chen on March 8, 2012 at 9:36am
Hi,
I recently built a small hadoop cluster (hadoop 1.0.0, 4 nodes), and had it run for a while. Then I stopped the cluster to modify the hadoop-env.sh file on all 4 nodes. Specifically I increased the heap size by uncomment
# export HADOOP_HEAPSIZE=2000
to
export HADOOP_HEAPSIZE=2000
When I restarted the cluster, the Hasoop Map/Reduce Administration page showed 0 nodes:
| Running Map… |
|---|
Posted by Yigang Chen on March 8, 2012 at 9:00am — 1 Comment
Hi All,this is Yerriswamy.I am beginner in Hadoop.i am very happy to learn Hadoop.But i need some help from you.i want to know how to start and what are the major concepts,it means the flow of learning Hadoop.pls help me.
Posted by yerriswamy on February 8, 2012 at 11:03pm — 1 Comment
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