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Regarding FIFO scheduler - MapReduce - [mail # user]
...Hi,  Lets assume that there are two jobs J1 (100 map tasks) and J2 (200 map tasks) and the cluster has a capacity of 150 map tasks (15 nodes with 10 ma p tasks per node) and Hadoop is u...
   Author: Praveen Sripati, 2011-09-22, 13:05
Error running Hadoop in VirtualBox - MapReduce - [mail # user]
...Hi,  I have the following configuration - Ubuntu 11.04 as Guest and Host using VirtualBox and trying to run Hadoop 0.21.0. The host is acting as namenode/data node/job tracker/task trac...
   Author: Praveen Sripati, 2011-09-09, 16:34
Re: Build failure in map reduce trunk - MapReduce - [mail # dev]
...Tharnindu,  Execute mvn eclipse:eclipse from root and you would be able to import the projects in eclipse. Then it would be easier to browse the code easily.  Thanks, Praveen  ...
   Author: Praveen Sripati, 2011-08-28, 14:28
Building branch-0.23 - MapReduce - [mail # dev]
...Hi,  I got the code from SVN for the branch-0.23 and ran the mvn command  svn co http://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23/ mvn clean install package -Pdis...
   Author: Praveen Sripati, 2011-08-26, 12:13
Re: Build failure in map reduce trunk - MapReduce - [mail # dev]
...Thairindu,  Try to get more information for debugging.  [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch...
   Author: Praveen Sripati, 2011-08-26, 03:40
Re: Build failure in map reduce trunk - MapReduce - [mail # dev]
...Tharindu,  Looks like protoc is not available.  Cannot run program "protoc" (in directory "HOME/hadoop-trunk/hadoop- mapreduce/hadoop-yarn/hadoop-yarn-api"): error=2, No such file ...
   Author: Praveen Sripati, 2011-08-25, 11:49
Problem getting the code from SVN - MapReduce - [mail # dev]
...Hi,  When I try to get the code from svn, I get the below error.  svn co http://svn.apache.org/repos/asf/hadoop/common/trunk/  A    trunk/hadoop-mapreduce/bin/mapred...
   Author: Praveen Sripati, 2011-08-21, 13:50
Re: MRv2 Configuration in Eclipse - MapReduce - [mail # dev]
...Hi,  I did spend some time on trying to run RM, NM and HS from within Eclipse, but got partial success. Here are the steps I followed (just in case someone is interested)  - Got th...
   Author: Praveen Sripati, 2011-08-15, 14:29
Re: MRv2 Configuration in Eclipse - MapReduce - [mail # dev]
...Hi,  I am able to run the RM, NM and HS from Eclipse with a couple of settings and run the org.apache.hadoop.examples.RandomWriter from command promptusing the 'hadoop jar' command. Wou...
   Author: Praveen Sripati, 2011-08-13, 17:10
Re: Can't find main class when run ResourceManager or NodeManager - MapReduce - [mail # dev]
...Hoayuan,  RunJar is in the hadoop-common-0.23.0-SNAPSHOT.jar. Do a 'hadoop classpath' and check if the jar file is there in the classpath location.  Similarly, running 'yarn classp...
   Author: Praveen Sripati, 2011-08-12, 02:32
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