Hi Rajesh, Have you looked at re-using the profiling options to inject the jvm options to a defined range of tasks? http://hadoop.apache.org/docs/stable/mapred_tutorial.html#Profiling
-- Hitesh On Aug 29, 2013, at 3:51 PM, Rajesh Jain wrote: > Hi Vinod > > These are jvm parameters to inject agent only on some nodes for sampling. > > Is there a property because code change is not a option. > > Second is there a way to tell the jvms how much data size to process. > > Thanks > > Sent from my iPhone > > On Aug 29, 2013, at 6:37 PM, Vinod Kumar Vavilapalli <[email protected]> > wrote: > >> >> You'll have to change the MapReduce code. What options are you exactly >> looking for and why should they be only applied on some nodes? Some kind of >> sampling? >> >> More details can help us help you. >> >> Thanks, >> +Vinod Kumar Vavilapalli >> Hortonworks Inc. >> http://hortonworks.com/ >> >> On Aug 29, 2013, at 1:59 PM, Rajesh Jain wrote: >> >>> I have some jvm options which i want to configure only for a few nodes in >>> the cluster using Hadoop yarn. How do i di it. If i edit the >>> mapred-site.xml it gets applied to all the task jvms. I just want handful >>> of map jvms to have that option and other map jvm not have that options. >>> >>> Thanks >>> Rajesh >>> >>> Sent from my iPhone >> >> >> CONFIDENTIALITY NOTICE >> NOTICE: This message is intended for the use of the individual or entity to >> which it is addressed and may contain information that is confidential, >> privileged and exempt from disclosure under applicable law. If the reader of >> this message is not the intended recipient, you are hereby notified that any >> printing, copying, dissemination, distribution, disclosure or forwarding of >> this communication is strictly prohibited. If you have received this >> communication in error, please contact the sender immediately and delete it >> from your system. Thank You. >> <signature.asc>
