Its hadoop 2.5.0. Whats the logic of default using hardware detection. Say My node has 8 actual core and 32 virtual cores. Its taking 26 as value of vcores available of this node on RM UI.
On Sat, Jul 18, 2015 at 7:22 PM, Harsh J <[email protected]> wrote: > What version of Apache Hadoop are you running? Recent changes have made > YARN to auto-compute this via hardware detection, by default (rather than > the 8 default). > > On Fri, Jul 17, 2015 at 11:31 PM Shushant Arora <[email protected]> > wrote: > >> In Yarn there is a setting to specify no of vcores that can be allocated >> to containers. >> >> yarn.nodemanager.resource.cpu-vcores >> >> In my cluster's nodes yarn-site.xml, this property is not specified. But >> total vcores displayed on RM's web page for the nodes are different than >> the default(8). Is there any other place to control this number ? >> >
