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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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ShengJun Zheng updated KYLIN-4903:
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Description: 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. (was: 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.)
> 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
> Reporter: ShengJun Zheng
> Priority: Major
>
> 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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