[ https://issues.apache.org/jira/browse/KYLIN-2779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shao Feng Shi closed KYLIN-2779. -------------------------------- Resolution: Fixed The estimation was improved a lot in Kylin 2.5. Please try to upgrade to a newer version. > 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 > Priority: Major > Labels: scope > > 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 (v8.3.4#803005)