Extending on Bobby's pointer, you're looking for the HADOOP_CLIENT_OPTS env-var. You can set it with the -Xmx/-Xms opts you need under hadoop-env.sh or set it per command as you execute it.
On Fri, Aug 19, 2011 at 9:04 PM, Adam Shook <[email protected]> wrote: > Hello all, > > I have a Hadoop related application that is integrated with HDFS and is > started via the command line with "hadoop jar ..." The amount of data used > by the application changes from use case to use case, and I have to adjust > the JVM that is started using the "hadoop jar" command. Typically, you just > set the -Xmx and -Xms variables from the "java -jar" command, but this > doesn't seem to work. > > Does anyone know how I can set it? Note that this is unrelated to the JVM > size for map and reduce tasks - there is no MapReduce involved in my > application. > > Thanks in advance! > > --Adam > > PS - I imagine I can code my application to be hooked into HDFS or read from > the Hadoop configuration files by hand - but I would prefer Hadoop to do all > the work for me! > -- Harsh J
