[
https://issues.apache.org/jira/browse/KYLIN-2779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Billy Liu reassigned KYLIN-2779:
--------------------------------
Assignee: Alexander Sterligov
> Segment size estimation is wrong for bitmap measure
> ---------------------------------------------------
>
> Key: KYLIN-2779
> URL: https://issues.apache.org/jira/browse/KYLIN-2779
> Project: Kylin
> Issue Type: Bug
> Affects Versions: v2.0.0
> Reporter: Alexander Sterligov
> Assignee: Alexander Sterligov
>
> If bitmap is used for distinct count, then size estimation is wrong for about
> 4 times.
> The problem is fixed by kylin.cube.size-estimate-countdistinct-ratio=0.2.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
