Daily Archives: October 14, 2015


Oozie Notes

OOZIE NOTES Workflow scheduler to manage hadoop and related jobs Developed first in Banglore by Yahoo DAG(Direct Acyclic Graph) Acyclic means a graph cannot have any loops and action members of the graph provide control dependency. Control dependency means a second job cannot run until a first action is completed Ozzie definitions are written in hadoop process definition language (hPDL) and coded as an xml file (WORKFLOW.XML) Workflow contains: Control […]


Review Comments
default image

I have attended Siva’s Spark and Scala training. He is good in presentation skills and explaining technical concepts easily to everyone in the group. He is having excellent real time experience and provided enough use cases to understand each concepts. Duration of the course and time management is awesome. Happy that I found a right person on time to learn Spark. Thanks Siva!!!

Dharmeswaran ETL / Hadoop Developer Spark Nov 2016 September 21, 2017

.