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Posted to issues@kylin.apache.org by "Xiaoxiang Yu (Jira)" <ji...@apache.org> on 2021/07/29 06:00:00 UTC
[jira] [Resolved] (KYLIN-4903) cache parent datasource to
accelerate next layer's cuboid building
[ https://issues.apache.org/jira/browse/KYLIN-4903?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiaoxiang Yu resolved KYLIN-4903.
---------------------------------
Resolution: Fixed
> 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
> Assignee: Shengjun Zheng
> Priority: Major
> Fix For: v4.0.0
>
>
> 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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