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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KYLIN-3271) Optimize sub-path check of ResourceTool
Date Sun, 11 Mar 2018 06:29:00 GMT

    [ https://issues.apache.org/jira/browse/KYLIN-3271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16394408#comment-16394408
] 

ASF subversion and git services commented on KYLIN-3271:
--------------------------------------------------------

Commit c2ef3c62a96ca52ef673335f621232d6d664c24a in kylin's branch refs/heads/sync from [~nichunen]
[ https://gitbox.apache.org/repos/asf?p=kylin.git;h=c2ef3c6 ]

KYLIN-3271 Minor, avoid null pointer exception


> 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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