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apache / tez

Apache Tez

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  1. adf258b TEZ-4565. TestAnalyzer subtest testInternalPreemption is flaky (#357) (Jonathan Turner Eagles reviewed by Laszlo Bodor) by jteagles · 3 days ago master
  2. ca6d804 TEZ-4627: Apache Tez Release 0.10.5 - site markdown changes (#416) (Laszlo Bodor reviewed by Ayush Saxena) by Bodor Laszlo · 8 days ago
  3. 77ad356 TEZ-4637: Upgrade maven dependency plugin to the latest version to make verbose mode work (#421) (Laszlo Bodor reviewed by Ayush Saxena) by Bodor Laszlo · 4 weeks ago
  4. 8fa0c37 TEZ-4635: The bcprov JAR is no longer included in tez.tar.gz from Hadoop 3.4.1 (#419) by Bodor Laszlo · 4 weeks ago
  5. 03b5f1d TEZ-4636: Move to JDK-21+ (#418). (Ayush Saxena, reviewed by Laszlo Bodor, Mahesh Raju Somalaraju) by Ayush Saxena · 6 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.