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apache / tez

Apache Tez

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  1. dd010a2 TEZ-4667: Correct the test case testInMemAllocationWithJvmMaxMemory (#445) (Mahesh Raju Somalaraju reviewed by Laszlo Bodor) by Mahesh Raju Somalaraju · 19 hours ago master
  2. 1d66b76 TEZ-4668: Exclude shipping jline 3.x in tez-dist (#446) (Raghav Aggarwal reviewed by Laszlo Bodor) by Raghav Aggarwal · 5 weeks ago
  3. 1c8af3e TEZ-4657: Upgrade to Hadoop 3.4.2 (#437). (Laszlo Bodor, reviewed by Ayush Saxena) by Bodor Laszlo · 8 weeks ago
  4. 5775337 TEZ-4659: Refactoring minor issues in profile output servlet (#439). (Ayush Saxena, reviewed by Laszlo Bodor) by Ayush Saxena · 2 months ago
  5. 2489b91 TEZ-4656: Checkstyle to not complain about 'case' branches are indented more than the 'switch' statement (#436) (Laszlo Bodor reviewed by Ayush Saxena) by Bodor Laszlo · 3 months 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.