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Pengcheng Xiong commented on HIVE-16996: ---------------------------------------- yes, i also saw that just now, I think it is due to my problem. I will take a look and put a patch there. thanks for discovering this! > Add HLL as an alternative to FM sketch to compute stats > ------------------------------------------------------- > > Key: HIVE-16996 > URL: https://issues.apache.org/jira/browse/HIVE-16996 > Project: Hive > Issue Type: Sub-task > Reporter: Pengcheng Xiong > Assignee: Pengcheng Xiong > Labels: TODOC3.0 > Fix For: 3.0.0 > > Attachments: Accuracy and performance comparison between HyperLogLog > and FM Sketch.docx, HIVE-16966.01.patch, HIVE-16966.02.patch, > HIVE-16966.03.patch, HIVE-16966.04.patch, HIVE-16966.05.patch, > HIVE-16966.06.patch, HIVE-16966.07.patch > > -- This message was sent by Atlassian JIRA (v6.4.14#64029)