Hive 0.14 Cost Based Optimizer (CBO) Technical Overview

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Mostafa Mokhtar. "Hive 0.14 Cost Based Optimizer (CBO) Technical Overview." hortonworks.com, March 2015. Archived at archive.org

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HIVE 0.14 Cost Based Optimizer (CBO) Technical Overview

Find out how CBO works, including the background and challenges of query optimization, such as cardinality estimation and join ordering. We’ll also provide in-depth analysis of TPC-DS 30TB results.

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