Because my node swaps the memory if the 2 map slots + 1 reduce is occupied with my job. Sure I can minimize the max memory for the map/reduce process. I tried this already, but I got a out of memory exception if set the max heap size for the map/reduce process to low for my mr job.
kind regards 2013/11/5 Vinod Kumar Vavilapalli <vino...@hortonworks.com> > Why do you want to do this? > > +Vinod > > On Nov 5, 2013, at 9:17 AM, John wrote: > > Is it possible to force the jobtracker executing only 2 map jobs or 1 > reduce job per time? > > > > 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.
