Hi Arun. Thanks for the prompt reply! It's a bit of a bummer to hear that, but I'll definitely look into the upgrade path. Thanks again!
Kai Ju On Wed, Oct 26, 2011 at 3:01 PM, Arun C Murthy <a...@hortonworks.com> wrote: > Sorry. This mostly won't work... we have significant changes in the > interface between the JobTracker and schedulers (FS/CS) b/w 20.2 and 20.203 > (performance, better limits etc.). > > Your best bet might be to provision Hadoop yourself on EC2 with 0.20.203+. > > Good luck! > > Arun > > On Oct 26, 2011, at 2:55 PM, Kai Ju Liu wrote: > > > Hi. I'm currently running a Hadoop cluster on Amazon's EMR service, which > appears to be the 0.20.2 codebase plus several patches from the > (deprecated?) 0.20.3 branch. I'm interested in switching from using the fair > scheduler to the capacity scheduler, but I'm also interested in the > user-limit-factor configuration parameter introduced in 0.20.203. This > parameter is not available in the EMR-supplied capacity scheduler jar, so I > was wondering if it's possible and safe to drop the 0.20.203 capacity > scheduler jar into my Hadoop library path. > > > > Any information would be very helpful. Thanks! > > > > Kai Ju > >
