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apache / tez / refs/heads/TEZ-2980
commitbdcdfcc54f4cae749f861fba30fa580d014ecffb[log] [tgz]
authorSreenath Somarajapuram <sree@apache.org>Thu Feb 25 02:08:58 2016 +0530
committerSreenath Somarajapuram <sree@apache.org>Thu Feb 25 03:32:53 2016 +0530
tree0d91b852e08ee3f6476823771b3557a85ccc388b
parent37513ba7c9ce516d0e72266de8af5c9071beea27 [diff]
TEZ-3136. Tez UI 2: Pre-merge: Update CHANGES.txt and remove from excluded list (sree)
3 files changed
tree: 0d91b852e08ee3f6476823771b3557a85ccc388b
  1. build-tools/
  2. docs/
  3. hadoop-shim/
  4. hadoop-shim-impls/
  5. tez-api/
  6. tez-common/
  7. tez-dag/
  8. tez-dist/
  9. tez-examples/
  10. tez-ext-service-tests/
  11. tez-mapreduce/
  12. tez-plugins/
  13. tez-runtime-internals/
  14. tez-runtime-library/
  15. tez-tests/
  16. tez-tools/
  17. tez-ui/
  18. tez-ui2/
  19. INSTALL.md ⇨ docs/src/site/markdown/install.md
  20. .gitignore
  21. BUILDING.txt
  22. CHANGES.txt
  23. KEYS
  24. LICENSE.txt
  25. NOTICE.txt
  26. pom.xml
  27. README.md
  28. Tez_DOAP.rdf
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.