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Posted to issues-all@impala.apache.org by "Gabor Kaszab (Jira)" <ji...@apache.org> on 2021/02/09 13:59:00 UTC
[jira] [Commented] (IMPALA-10464) Performance comparison between
ndv() ds_hll_* and ds_theat_* functions
[ https://issues.apache.org/jira/browse/IMPALA-10464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17281796#comment-17281796 ]
Gabor Kaszab commented on IMPALA-10464:
---------------------------------------
I'd also include the recently introduced CPC sketch as well to these measurements as it serves the same purpose as HLL and Theta
> Performance comparison between ndv() ds_hll_* and ds_theat_* functions
> ----------------------------------------------------------------------
>
> Key: IMPALA-10464
> URL: https://issues.apache.org/jira/browse/IMPALA-10464
> Project: IMPALA
> Issue Type: New Feature
> Components: Perf Investigation
> Reporter: Fucun Chu
> Assignee: Fucun Chu
> Priority: Major
> Fix For: Not Applicable
>
>
> Perf comparison doc:
> [https://docs.google.com/spreadsheets/d/1ew7XCENs7wLxIVlr70bymUBP59YAGUCnNXTR0i_uzv0/edit#gid=0]
> General observations included in the doc.
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