[
https://issues.apache.org/jira/browse/KYLIN-2903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16300759#comment-16300759
]
Shaofeng SHI commented on KYLIN-2903:
-------------------------------------
Hi Gang, how about hive's count distinct performance compared with Kylin's
HyperLogLog? This is the only concern I have, because when the table/view is
huge, this task may become difficult.
> support cardinality calculation for Hive view
> ---------------------------------------------
>
> Key: KYLIN-2903
> URL: https://issues.apache.org/jira/browse/KYLIN-2903
> Project: Kylin
> Issue Type: Improvement
> Components: Job Engine
> Reporter: Wang, Gang
> Assignee: Wang, Gang
> Priority: Minor
> Attachments:
> 0001-KYLIN-2903-support-cardinality-calculation-for-Hive-.patch
>
>
> Currently, Kylin leverage HCatlog to calculate column cardinality for Hive
> tables. While, HCatlog does not support Hive view actually.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
