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Mirror of Apache Tez

Home Page: http://tez.apache.org

License: Apache License 2.0

Shell 0.36% Java 90.97% Protocol Buffer 0.29% Groff 0.09% Python 0.18% JavaScript 6.89% HTML 0.86% CSS 0.37%

tez's Introduction

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.

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