Thanks Harsh. On Mon, Apr 4, 2011 at 3:33 PM, Harsh Chouraria <ha...@cloudera.com> wrote:
> Hello, > > On Tue, Apr 5, 2011 at 12:52 AM, bikash sharma <sharmabiks...@gmail.com> > wrote: > > Hi, > > I want to change the following hadoop parameters before launching > TeraSort > > program: > > io.sort.factor > > io.sort.mb > > mapreduce.reduce.tasks > > io.file.buffer.size > > io.sort.record.percent > > Making these changes in the mapred-site.xml should be fine. > > As a lazy fix, set all those property changes as <final>true</final>. > This would enforce it over the defaults that are being used instead. > [1]'s probably why it doesn't get picked up. > > Or pass generic options (with -Dprop=val) while launching the program, > if it accepts that. > > [1] - > http://wiki.apache.org/hadoop/FAQ#How_do_I_get_my_MapReduce_Java_Program_to_read_the_Cluster.27s_set_configuration_and_not_just_defaults.3F > > -- > Harsh J > Support Engineer, Cloudera >