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https://issues.apache.org/jira/browse/KYLIN-3655?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16728097#comment-16728097
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Zhong Yanghong commented on KYLIN-3655:
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Now the mapping of CubeDesc & CubeInstance is one to one. It may not be
necessary to have create time UTC for CubeInstance. Here, the create time UTC
is regarded as the reinitialization time.
> Reinitialize CubeInstance when clear segments
> ---------------------------------------------
>
> Key: KYLIN-3655
> URL: https://issues.apache.org/jira/browse/KYLIN-3655
> Project: Kylin
> Issue Type: Improvement
> Reporter: Zhong Yanghong
> Assignee: Zhong Yanghong
> Priority: Major
> Fix For: v2.6.0
>
>
> When cube's segments are clear, we should regard this cube instance are going
> to be reinitialized. In this case, the following properties should be reset:
> * createTimeUTC
> * cuboidLastOptimized
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