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
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I am a plsql developer. Intrested to move into bigdata.

Neetika Singh ITA Hadoop in Dec/2016 December 22, 2016

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