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Sergey Shelukhin commented on HIVE-19578: ----------------------------------------- "if (sparseMap.containsKey" block is gone; by design? +1 > HLL merges tempList on every add > -------------------------------- > > Key: HIVE-19578 > URL: https://issues.apache.org/jira/browse/HIVE-19578 > Project: Hive > Issue Type: Bug > Reporter: Sergey Shelukhin > Assignee: Prasanth Jayachandran > Priority: Major > Attachments: HIVE-19578.1.patch, HIVE-19578.2.patch, Screen Shot > 2018-05-16 at 15.29.12 .png > > > See comments on HIVE-18866; this has significant perf overhead after the > even bigger overhead from hashing is removed. !Screen Shot 2018-05-16 at > 15.29.12 .png! -- This message was sent by Atlassian JIRA (v7.6.3#76005)