Thanks Varad. On Wed, Sep 28, 2011 at 9:35 PM, Varad Meru <[email protected]> wrote:
> The process ids of each individual task can be seen using jps and jconsole > commands provided by java. > > jconsole command on command-line interface provides a GUI screen for > monitoring running tasks within java. > > The tasks are only visible as java virtual machine instance in the os > system monitoring tool. > > > Regards, > Varad Meru > ----------------------------------- > Sent from my iPod > > On 29-Sep-2011, at 0:15, bikash sharma <[email protected]> wrote: > > > Hi, > > Is it possible to get the process id of each task in a MapReduce job? > > When I run a mapreduce job and do a monitoring in linux using ps, i just > see > > the id of the mapreduce job process but not its constituent map/reduce > > tasks. > > The use case is to monitor the resource usage of each task by using sar > > utility in linux with specific process id of task. > > > > Thanks, > > Bikash >
