ShengJun Zheng created KYLIN-4903:
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Summary: 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
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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