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https://issues.apache.org/jira/browse/KYLIN-4903?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoxiang Yu updated KYLIN-4903:
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Affects Version/s: v4.0.0-beta
> cache parent datasource to accelerate next layer's cuboid building
> ------------------------------------------------------------------
>
> Key: KYLIN-4903
> URL: https://issues.apache.org/jira/browse/KYLIN-4903
> Project: Kylin
> Issue Type: Improvement
> Affects Versions: v4.0.0-beta
> Reporter: ShengJun Zheng
> Priority: Major
> Fix For: v4.0.0-GA
>
>
> In Kylin V4, parent datasource is not cached in next layer's cuboid building,
> causing repeated HDFS files read. Cacheing parent datasource in memory will
> in enhance 20~30% build performance in our case.
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