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Posted to issues@kylin.apache.org by "Billy Liu (JIRA)" <ji...@apache.org> on 2018/01/25 10:51:00 UTC

[jira] [Updated] (KYLIN-1892) Support volatile range for segments auto merge

     [ https://issues.apache.org/jira/browse/KYLIN-1892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Billy Liu updated KYLIN-1892:
-----------------------------
    Summary: Support volatile range for segments auto merge  (was: Support setting a volatile range for auto merge)

> Support volatile range for segments auto merge
> ----------------------------------------------
>
>                 Key: KYLIN-1892
>                 URL: https://issues.apache.org/jira/browse/KYLIN-1892
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Job Engine
>    Affects Versions: v1.5.2
>            Reporter: fengYu
>            Assignee: Yang Hao
>            Priority: Major
>             Fix For: v2.3.0
>
>         Attachments: KYLIN-1892.v3.patch
>
>
> We always has some data need to be amended some days later
> in current kylin, once I set Auto Merge Thresholds, the segment newly build will merge if reach Thresholds, the next day refresh will refresh merged segemnt, which is unnecessary.
> So I want to add a interval configuration means auto merge will merge segments outside of the interval. 
> for example, if interval = 2, Auto Merge Thresholds=7, if 07-01 to 07-07 is built, auto merge will not trigger, when 07-09 built success, auto merge will trigger and merge segments from 07-01 to 07-07.



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