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ASF GitHub Bot logged work on HIVE-26072: ----------------------------------------- Author: ASF GitHub Bot Created on: 30/Jun/22 00:20 Start Date: 30/Jun/22 00:20 Worklog Time Spent: 10m Work Description: github-actions[bot] closed pull request #3142: HIVE-26072: Enable vectorization for stats gathering (tablescan op). URL: https://github.com/apache/hive/pull/3142 Issue Time Tracking ------------------- Worklog Id: (was: 786233) Time Spent: 1h 10m (was: 1h) > Enable vectorization for stats gathering (tablescan op) > ------------------------------------------------------- > > Key: HIVE-26072 > URL: https://issues.apache.org/jira/browse/HIVE-26072 > Project: Hive > Issue Type: Bug > Components: Hive > Reporter: Rajesh Balamohan > Assignee: Ayush Saxena > Priority: Major > Labels: pull-request-available > Time Spent: 1h 10m > Remaining Estimate: 0h > > https://issues.apache.org/jira/browse/HIVE-24510 enabled vectorization for > compute_bit_vector. > But tablescan operator for stats gathering is disabled by default. > [https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/Vectorizer.java#L2577] > Need to enable vectorization for this. This can significantly reduce runtimes > for analyze statements for large tables. -- This message was sent by Atlassian Jira (v8.20.10#820010)