Gianmarco, You might want to increase the heap size. It's a property that can be set: try setting "mapred.child.java.opts" to -Xmx1024M.
Mithila On Mon, May 3, 2010 at 8:04 AM, Gianmarco <gianmarco....@gmail.com> wrote: > Hi all, > is there a way to enable Java assertions inside a map/reduce function? > I tried setting the -enableassertions switch in hadoop-env.sh using the > HADOOP_TASKTRACKER_OPTS variable but it didn't work. > I tried also setting a property in mapred-site.xml > > <property> > <name>mapred.child.java.opts</name> > <value>-enableassertions</value> > </property> > > but I get a "Java heap space" error. > > Thanks, > Gianmarco >
