If you just want to see to utilization and monitor it for some time try Java Visual JVM or JConsol
and connect to JMX port . it will show you the heap uses and other details too. These tools you can find in jdk bin folder ∞ Shashwat Shriparv On Tue, Feb 5, 2013 at 10:34 PM, Dhanasekaran Anbalagan <[email protected]>wrote: > Hi Guys, > > We have configured many Heap size related thing. in Hadoop for ex. > > Namenode's Java Heap Size in bytes. > Secondary namenode's Java Heap Size in bytes. > Balancer's Java Heap Size in bytes. > HttpFS's Java Heap Size in bytes. > Failover Controller's Java Heap Size in bytes. > MapReduce Child Java Maximum Heap Size > Reduce Task Maximum Heap Siz > TaskTracker's Java Heap Size in bytes. > > When i start my cluster these guys occupy the large number of memory, Best > way handle or fine tune these parameter. please guide me. > > Bes monitor those configuration. > > Any graphical tool to help us to monitor? > > -Dhanasekaran. > > > Did I learn something today? If not, I wasted it. >
