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building hadoop 2.x from source - MapReduce - [mail # user]
...Hi,  I managed to build hadoop 2.2 from source using maven and imported  hadoop to eclipse and ran some unit tests on it. Now, I want to use my build to actually execute shell comm...
   Author: Karim Awara, 2013-12-25, 01:47
Debug a hdfs -put command - MapReduce - [mail # user]
...Hi,  Does anyone know how to trace the calls made by datanode/namenode when executing a simple shell command  -put?    Best Regards, Karim Ahmed Awara   This message...
   Author: Karim Awara, 2013-12-18, 19:10
[expand - 4 more] - Re: Permission problem in Junit test - Hadoop 2.2.0 - MapReduce - [mail # user]
...Note: I have built hadoop not in my home directory but rather in a different volume.  Best Regards, Karim Ahmed Awara   On Wed, Dec 18, 2013 at 10:41 AM, Karim Awara wrote:   ...
   Author: Karim Awara, 2013-12-18, 12:45
Re: Debug Hadoop Junit Test in Eclipse - MapReduce - [mail # user]
...Useful post, however, I am not trying to  debug mapreduce programs with its associated VMs. I want to modify HDFS source code on how it uploads files. So I am only looking to trace fs c...
   Author: Karim Awara, 2013-12-16, 15:32
Re: MiniDFSCluster setup - MapReduce - [mail # user]
...Attached below. So What I did was after downloading hadoop src. I ran  $ mvn install -DskipTests$ mvn eclipse:eclipse -DdownloadSources=true -DdownloadJavadocs=true   And imported ...
   Author: Karim Awara, 2013-12-15, 15:45
[expand - 1 more] - Re: hadoop 2.2 build - MapReduce - [mail # user]
...Still same error exactly as if I didn't change anything.  Best Regards, Karim Ahmed Awara   On Sat, Dec 14, 2013 at 6:48 AM, Chris Mawata wrote:    This message and its c...
   Author: Karim Awara, 2013-12-14, 04:00
[expand - 1 more] - Re: Debugging/Modifying HDFS from Eclipse - MapReduce - [mail # user]
...Hi,  Is there any source on how to use the miniDFSCluster (e.g. providing configuration ..etc) ?  Best Regards, Karim Ahmed Awara   On Tue, Dec 3, 2013 at 6:14 PM, Gaurav Shar...
   Author: Karim Awara, 2013-12-05, 12:04
Build hadoop from src and running it? - MapReduce - [mail # user]
...Hi,  I checked out hadoop common project 2.2.0 from the svn and I built it using maven. Now, I don't find any conf folder or any cofiuration files to set to start running hadoop and usi...
   Author: Karim Awara, 2013-11-05, 11:06
[expand - 3 more] - Re: Hadoop 2.x with Eclipse - MapReduce - [mail # user]
...Also my problem when importing the compiled hadoop to eclipse is that it does not identify certain types  such as  "AvroRecord" that is used in hadoop-common project and  is d...
   Author: Karim Awara, 2013-11-04, 05:19
modify writing policy to HDFS - MapReduce - [mail # user]
...Hi,  I understand the way file upload happens on HDFS, where the data node asks the namenode for a pipe (64 MB) for writing chunks of the file to hdfs.  I want to change the source...
   Author: Karim Awara, 2013-11-03, 05:04
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