[
https://issues.apache.org/jira/browse/KYLIN-2135?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
kangkaisen resolved KYLIN-2135.
-------------------------------
Resolution: Fixed
> Enlarge FactDistinctColumns reducer number
> ------------------------------------------
>
> Key: KYLIN-2135
> URL: https://issues.apache.org/jira/browse/KYLIN-2135
> Project: Kylin
> Issue Type: Improvement
> Components: Job Engine
> Affects Versions: v1.5.4.1
> Reporter: kangkaisen
> Assignee: kangkaisen
> Fix For: v2.0.0
>
> Attachments: KYLIN-2135.patch, new.png, old.png
>
>
> When the hive table has billions of rows and use global dictionary for
> precise count distinct measures, the {{Extract Fact Table Distinct Columns}}
> job will run o long time.
> So we could use more reducer to deal with the one column.
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)