[ https://issues.apache.org/jira/browse/KYLIN-2135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15731733#comment-15731733 ]
kangkaisen commented on KYLIN-2135: ----------------------------------- Hi,Shaofeng. I am sorry to delay to add the test. Do you think how to add this test is best? > 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: v1.6.1 > > 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 (v6.3.4#6332)