Thanks! Just making sure that this was the only parameter needing set.
Cheers Tim On Wed, Nov 26, 2008 at 1:20 PM, Dennis Kubes <[EMAIL PROTECTED]> wrote: > I have always seen -Xmx set in megabytes versus gigabytes. It does work for > me on Ubuntu as G but tt may depend on the JVM and OS, -Xmx1024M version > -Xmx1G. Other than that I think it looks good > > Dennis > > tim robertson wrote: >> >> Hi, >> >> Could you please sanity check this: >> >> In Hadoop-site.xml I add: >> >> <property> >> <name>mapred.child.java.opts</name> >> <value>-Xmx1G</value> >> <description>Increasing the size of the heap to allow for large in >> memory index of polygons</description> >> </property> >> >> Is this all required to increase the -Xmx for processes running Maps? >> >> (During Mapper.configure() I build a large hashtree lookup object...) >> >> Many thanks >> >> Tim >