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apache/tez

Apache Tez

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  1. 9725e38 TEZ-4689: Introduce Node abstraction for DAGAppMaster instead of sepagrate NodeManager-related fields (#461) (Raghav Aggarwal reviewed by Laszlo Bodor) by Raghav Aggarwal · 3 days ago master
  2. ea890f8 TEZ-4691: Upgrade maven-checkstyle-version to 3.6.0 (#463) (Raghav Aggarwal reviewed by Laszlo Bodor) by Raghav Aggarwal · 5 days ago
  3. 17546aa TEZ-4687: Spotless: enforce endWithNewline (#459) (Laszlo Bodor reviewed by Ayush Saxena) by Bodor Laszlo · 3 weeks ago
  4. e4ee751 TEZ-4672: Spotless: cleanup and force removing trailing whitespaces (#450) (Laszlo Bodor reviewed by Ayush Saxena) by Bodor Laszlo · 3 weeks ago
  5. f09ba7f TEZ-4669: Spotbugs fails in precommit (#457) (Laszlo Bodor reviewed by Ayush Saxena) by Bodor Laszlo · 7 weeks ago

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.