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https://github.com/apache/tez

Apache Tez
https://github.com/apache/tez

apache big-data hadoop java tez

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Apache Tez

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Apache Tez
==========

Apache Tez is a generic data-processing pipeline engine envisioned as a low-level engine for higher abstractions
such as Apache Hadoop Map-Reduce, Apache Pig, Apache Hive etc.

At its heart, tez is very simple and has just two components:

* The data-processing pipeline engine where-in one can plug-in input, processing and output implementations to
perform arbitrary data-processing. Every 'task' in tez has the following:
- Input to consume key/value pairs from.
- Processor to process them.
- Output to collect the processed key/value pairs.

* A master for the data-processing application, where-by one can put together arbitrary data-processing 'tasks'
described above into a task-DAG to process data as desired.
The generic master is implemented as a Apache Hadoop YARN ApplicationMaster.