You can pass that config set as part of your job (jobConf.set(…) or job.getConfiguration().set(…)). Alternatively, if you implement Tool, and use its grabbed Configruation, you can also pass it via -Dname=value argument when running the job (the option has to precede any custom options).
On Sat, Sep 7, 2013 at 2:06 AM, Arko Provo Mukherjee <arkoprovomukher...@gmail.com> wrote: > Hello All, > > I am running my job on a Hadoop Cluster and it fails due to insufficient > Java Heap Memory. > > I searched in google, and found that I need to add the following into the > conf files: > <property> > <name>mapred.child.java.opts</name> > <value>-Xmx2000m</value> > </property> > > However, I don't want to request the administrator to change settings as it > is a long process. > > Is there a way I can ask Hadoop to use more Heap Space in the Slave nodes > without changing the conf files via some command line parameter? > > Thanks & regards > Arko -- Harsh J
