Hi, Addition to Sandy, there is one more scheduler called HOD (Hadoop on Demand). Please go through the following links to get more details on schedulers.
HOD - http://hadoop.apache.org/docs/r1.1.2/hod_scheduler.html Fair - http://hadoop.apache.org/docs/r1.1.2/fair_scheduler.html Capacity - http://hadoop.apache.org/docs/r1.1.2/capacity_scheduler.html Thanks Naga On Mon, Apr 22, 2013 at 12:31 AM, Sandy Ryza <sandy.r...@cloudera.com>wrote: > Hi Amr, > > Hadoop contains the FIFO scheduler and two more advanced schedulers, the > capacity scheduler, developed at Yahoo, and the fair scheduler, developed > at Facebook. > > In Hadoop 2, the fair scheduler code is located in > the org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair package, > and the capacity scheduler code is located in > the org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity > package. > > -Sandy > > > On Sun, Apr 21, 2013 at 11:39 AM, Amr Mohammed <amr.elkh...@hotmail.com > >wrote: > > > Please,can any one give me guidelines or help for improving hadoop > > performance by improving the scheduling algorithm andwhich classes are > > responsible for the scheduling > -- Thanks and Regards Nagamallikarjuna
