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https://issues.apache.org/jira/browse/KYLIN-3271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16394406#comment-16394406
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ASF subversion and git services commented on KYLIN-3271:
--------------------------------------------------------

Commit 24d2d6590d1e31edb5f5b7da11c51c477f9d2dcf in kylin's branch 
refs/heads/sync from [~nichunen]
[ https://gitbox.apache.org/repos/asf?p=kylin.git;h=24d2d65 ]

KYLIN-3271 Optimize sub-path check of ResourceTool


> 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
>            Priority: Minor
>             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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