commit | 34c5d5f24c48683f59925cafbec04a832e532753 | [log] [tgz] |
---|---|---|
author | Jinho Kim <jhkim@apache.org> | Tue May 10 11:31:26 2016 +0900 |
committer | Jinho Kim <jhkim@apache.org> | Tue May 10 11:31:26 2016 +0900 |
tree | e3cfceef21905d56499c13f6e5c07eeb98072e27 | |
parent | 7f9c4c950fe28de7df6662a947733c7b8abeecb7 [diff] |
TAJO-2143: Fix race condition in task history writer. Closes #1013
Tajo is a relational and distributed data warehouse system for Hadoop. Tajo is designed for low-latency and scalable ad-hoc queries, online aggregation and ETL on large-data sets by leveraging advanced database techniques. It supports SQL standards. It has its own query engine which allows direct control of distributed execution and data flow. As a result, Tajo has a variety of query evaluation strategies and more optimization opportunities. In addition, Tajo will have a native columnar execution and and its optimizer.
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