I have just checked HadoopConfigurationBuilder / HadoopConfigurationBuilderTest - everything looks fine and it's possible to override the value as expected.
Can you check the Hadoop config files on the remote machines? Is mapred.tasktracker.map.tasks.maximum set to "2"? -- Andrei Savu / andreisavu.ro On Mon, Jan 30, 2012 at 7:44 PM, Edmar Ferreira < [email protected]> wrote: > Hi guys, > > I want to set my maximum number of tasks per node to 1, so I put this line > on my whirr config file : > > hadoop-mapreduce.mapred.tasktracker.map.tasks.maximum=1 > > However when I run my job with verbose mode I see the value set as 2. > > My full config file: > > 1 whirr.cluster-name=hadoopcluster > 2 whirr.instance-templates= 1 hadoop-jobtracker+hadoop-namenode,1 > hadoop-datanode+hadoop-tasktracker > 3 whirr.provider=aws-ec2 > 4 #whirr.image-id=us-west-1/ami-f197c9b4 > 5 #whirr.location-id=us-west-1 > 6 #whirr.aws-ec2-spot-price=0.085 > 7 whirr.identity=${env:AWS_ACCESS_KEY_ID} > 8 whirr.credential=${env:AWS_SECRET_ACCESS_KEY} > 9 whirr.private-key-file=${sys:user.home}/.ssh/id_rsa > 10 whirr.public-key-file=${sys:user.home}/.ssh/id_rsa.pub > 11 hadoop-mapreduce.mapred.tasktracker.map.tasks.maximum=1 > 12 whirr.hadoop.version=0.20.2 > 13 whirr.hadoop.tarball.url= > http://archive.apache.org/dist/hadoop/core/hadoop-${whirr.hadoop.version}/hadoop-${whirr.hadoop.version}.tar.gz > > > > > Thanks. > > -- > Edmar Ferreira > Co-Founder at Everwrite > >
