Hi Prabakarn, Tez is also a YARN app which helps to execute DAG. Tez is not part of Hadoop 2 by default; one has to install it: http://tez.apache.org/install.html
More details: http://tez.apache.org/index.html On Mon, Aug 11, 2014 at 11:49 AM, Natarajan, Prabakaran 1. (NSN - IN/Bangalore) <[email protected]> wrote: > Hi > > I read many articles/diagrams as like Tez bundled with Hadoop 2.0 by > default. Snipped from a article: > > *“**Hadoop 2 has a specialized AM for MapReduce* *and another more > generalized application framework* *called Tez that allows generic > directed-acyclic-graphs (DAGs)** of execution.**”* > > My understanding is “Tez is one of the YARN apps – which helps to execute > tasks in DAG. Tez needs to installed on top on YARN – it is not bundled in > Hadoop 2 by default” > > > Is my understanding correct? Please give detail. > > *Thanks and Regards* > Prabakaran.N > > > > > -- Cheers, *Subroto Sanyal*
