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https://issues.apache.org/jira/browse/HIVE-16996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16079397#comment-16079397
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Pengcheng Xiong commented on HIVE-16996:
----------------------------------------

as per [~prasanth_j]'s request, here is the accuracy and performance 
comparison. thanks.

> 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
>         Attachments: Accuracy and performance comparison between HyperLogLog 
> and FM Sketch.docx, HIVE-16966.01.patch, HIVE-16966.02.patch
>
>




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