Oh, I presume this is the value of HADOOP_HEAPSIZE specified in the hadoop-env.sh and is the heap given to the deamon by Java. I guess this answers the question.
On Tue, Mar 2, 2010 at 10:46 PM, Saptarshi Guha <[email protected]> wrote: > Hello, > I often notice "Cluster Summary (Heap Size is 281/889)" where the 281 > is much when I start up Hadoop. > How does this relate to Hadoop Mapreduce? > > Thank you > Saptarshi >
