nichunen created KYLIN-3271:
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Summary: Optimize sub-path check of ResourceTool
Key: KYLIN-3271
URL: https://issues.apache.org/jira/browse/KYLIN-3271
Project: Kylin
Issue Type: Improvement
Components: Metadata
Affects Versions: v2.2.0
Reporter: nichunen
Assignee: nichunen
Fix For: v2.4.0
kylin uses class org.apache.kylin.common.persistence.ResourceTool to do
metadata download, upload, remove, etc. The algorithm for resource transversal
is not very effective. For instance, for an "execute_output" with key
"/execute_output/\{uuid}", the algorithm will try to check whether it's a
folder with sub-resources, this makes un-necessary time cost, and in cases of
metadata with lots of jobs, it may last for a long time before the finish.
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