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https://issues.apache.org/jira/browse/KYLIN-1869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16270272#comment-16270272
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Shaofeng SHI commented on KYLIN-1869:
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[~yaho]yanghong, what's the status of it? please update status in time.
> When building snapshot for lookup tables, should we build those dimensions
> used by model or the whole
> -----------------------------------------------------------------------------------------------------
>
> Key: KYLIN-1869
> URL: https://issues.apache.org/jira/browse/KYLIN-1869
> Project: Kylin
> Issue Type: Improvement
> Components: Job Engine
> Reporter: Zhong Yanghong
> Assignee: Zhong Yanghong
>
> Currently when building a snapshot for a lookup table, the input is the whole
> value set of the lookup table, which may be not so reasonable. In some cases,
> a lookup table owns tens columns. However, the columns used by a model or a
> cube is only a few, 1 to 5. Those unused columns will make the snapshot too
> large, which will bring burdens for both storing and loading.
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