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apache / tez

Apache Tez

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  1. aea0707 TEZ-4279: Add vertexId into vertex status for dag clients (#101) (Laszlo Bodor reviewed by Ashutosh Chauhan) by Bodor Laszlo · 7 days ago master
  2. b934644 TEZ-4302: NullPointerException in CodecUtils with GzipCodec (#117) (Xi Chen reviewed by Laszlo Bodor) by jshmchenxi · 12 days ago
  3. 2b671d6 TEZ-4299: Default java opts cause jdk11 to fail (#116) (Laszlo Bodor reviewed by Jonathan Turner Eagles) by Bodor Laszlo · 2 weeks ago
  4. 2dcbe0b fix typo: missing space (#59) by jacobtolar · 7 weeks ago
  5. 2fefe4a TEZ-4291: Fancy precommit report on PR (#112) by Bodor Laszlo · 9 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.