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https://issues.apache.org/jira/browse/KYLIN-2950?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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fengYu updated KYLIN-2950:
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Attachment: 0001-KYLIN-2950-Change-build-engine-smoothly.patch
> Change build engine smoothly
> ----------------------------
>
> Key: KYLIN-2950
> URL: https://issues.apache.org/jira/browse/KYLIN-2950
> Project: Kylin
> Issue Type: Bug
> Affects Versions: v2.0.0
> Reporter: fengYu
> Assignee: fengYu
> Attachments: 0001-KYLIN-2950-Change-build-engine-smoothly.patch
>
>
> Currently, we can not change build engine without disable cube and purging
> all existing segments. But it is expensive。
> After my test building cube with MR engine and Spark engine, there generate
> the same result, and Merge job always use mr engine. Hence, I think take
> engineType as a part of cube's Signature is improper。
> I change the code and modify cube json. it work will with MR and spark engine
> Alternately。
> TO BE DONE：modify web UI.
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