commit | dbaf9725a7063ed4185671a3beda436494a00bfd | [log] [tgz] |
---|---|---|
author | Jinho Kim <jhkim@apache.org> | Fri Mar 18 11:27:10 2016 +0900 |
committer | Jinho Kim <jhkim@apache.org> | Fri Mar 18 11:27:10 2016 +0900 |
tree | 3cbe22546cdea714a3303a5e3ed9b399d3fca444 | |
parent | 17e61bd6917be93a5486c861f61e8ef2ab32ab29 [diff] |
TAJO-2100: Add missing cancellation in defaultTaskScheduler when a worker is no respond. Closes #983
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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