Hello Harsh, Thanks for the quick info. I will go through the specifics. I hope you will address any further doubts that I have on the issue.
Regards, Ranjan On 03/06/12, Harsh J wrote: > Ranjan, > > Schedulers do not apply per-job. You need to change it at the JobTracker. > > Follow instructions at > http://hadoop.apache.org/common/docs/r1.0.0/fair_scheduler.html to > switch scheduler to FairScheduler. > > On Wed, Mar 7, 2012 at 4:08 AM, Ranjan Banerjee <rbanerj...@wisc.edu> wrote: > > > > Hello, > > I am relatively new to Hadoop. Started playing with it around two weeks > > ago. I have finished running the canonical word count map reduce example. > > My class project involves coming with a different scheduler for Hadoop. I > > know that by default Hadoop uses the FIFO and it also has the fair > > scheduler to be used. Can someone suggest where do I exactly write my > > scheduler code and what change do I need to do to the Conf object so that > > my scheduler is used by Hadoop and not the default scheduler in scheduling > > map reduce jobs. > > > > Regards, > > Ranjan > > > > > > > > > > On 03/02/12, mohammed elsaeedy wrote: > >> Dear Mailing list, > >> > >> I've been trying to simply build the hadoop source code on my Macbook > >> Pro. I tried following the tutorial mentioned > >> here<http://wiki.apache.org/hadoop/EclipseEnvironment>. > >> I grabbed the source code from github, and then I try to run maven: > >> > >> mvn install -DskipTests > >> > >> mvn clean package -DskipTests -Pdist -Dtar -Dmaven.javadoc.skip=true > >> > >> > >> but I always get the following error: > >> > >> *[INFO] > >> ------------------------------------------------------------------------* > >> *[INFO] Total time: 14:48.283s* > >> *[INFO] Finished at: Fri Mar 02 13:29:20 EET 2012* > >> *[INFO] Final Memory: 68M/123M* > >> *[INFO] > >> ------------------------------------------------------------------------* > >> *[ERROR] Failed to execute goal > >> org.apache.maven.plugins:maven-pdf-plugin:1.1:pdf (pdf) on project > >> hadoop-distcp: Error during document generation: Error parsing > >> /Users/SaSa/Desktop/Hadoop/src/hadoop-common/hadoop-tools/hadoop-distcp/target/pdf/site.tmp/xdoc/index.xml: > >> Error validating the model: Fatal error:* > >> *[ERROR] Public ID: null* > >> *[ERROR] System ID: http://maven.apache.org/xsd/xdoc-2.0.xsd* > >> *[ERROR] Line number: 2699* > >> *[ERROR] Column number: 5* > >> *[ERROR] Message: The element type "xs:element" must be terminated by the > >> matching end-tag "</xs:element>".* > >> *[ERROR] -> [Help 1]* > >> *[ERROR] * > >> *[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 to enable full debug logging.* > >> *[ERROR] * > >> *[ERROR] For more information about the errors and possible solutions, > >> please read the following articles:* > >> *[ERROR] [Help 1] > >> http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException* > >> *[ERROR] * > >> *[ERROR] After correcting the problems, you can resume the build with the > >> command* > >> *[ERROR] mvn <goals> -rf :hadoop-distcp* > >> > >> I googled for a similar problem, all I got was some people cleared the m2 > >> and ivy2 cahce, and rerun the command. But unfortunately didn't work for > >> me. I've been stuck here, I really hope anyone can help me with this issue. > >> > >> Thank you all. > >> Regards, > >> SaSa > >> > >> > >> > >> -- > >> Mohammed El Sayed > >> Computer Science Department > >> King Abdullah University of Science and Technology > >> 2351 - 4700 KAUST, Saudi Arabia > >> Home Page <http://cloud.kaust.edu.sa/SiteCollectionDocuments/melsayed.aspx> > > > > > > -- > Harsh J