tree: 8a74ba4d8a692a3b84cbba25bfc9e04be34aa593 [path history] [tgz]
  1. .gitignore
  2. .travis.yml
  3. BUILDING.txt
  4. KEYS
  5. LICENSE.txt
  6. NOTICE.txt
  7. README.md
  8. Tez_DOAP.rdf
  9. build-tools/
  10. docs/
  11. hadoop-shim-impls/
  12. hadoop-shim/
  13. pom.xml
  14. tez-api/
  15. tez-common/
  16. tez-dag/
  17. tez-dist/
  18. tez-examples/
  19. tez-ext-service-tests/
  20. tez-mapreduce/
  21. tez-plugins/
  22. tez-runtime-internals/
  23. tez-runtime-library/
  24. tez-tests/
  25. tez-tools/
  26. tez-ui/
README.md

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.