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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:
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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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