[jira] [Commented] (KYLIN-2428) Cleanup unnecessary shaded libraries for job/coprocessor/jdbc/server

["Billy Liu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KYLIN-2428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15854147#comment-15854147 ] 

Billy Liu commented on KYLIN-2428:
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Compared with kylin 1.6:
kylin-coprocessor is reduced from 2.4M to 1.9M, by removing extendedset, commons-lang3, but also introduced tduning.math
kylin-jdbc increased from 7.6M to 8.5M since Avatica 1.9 upgrade.
kylin-job is reduced from 9.5M to 5.8M, by removing esotericsoftware, guava, jsch, extendedset, jsr305, commons-cli, commons-io, commons-lang, curator and objenesis.
Web application has reduced from 94 libraries to 80.



> Cleanup unnecessary shaded libraries for job/coprocessor/jdbc/server
> --------------------------------------------------------------------
>
>                 Key: KYLIN-2428
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2428
>             Project: Kylin
>          Issue Type: Improvement
>          Components: General
>    Affects Versions: v1.6.0
>            Reporter: Billy Liu
>            Assignee: Billy Liu
>         Attachments: KYLIN-2428.patch
>
>
> Kylin releases three libraries: kylin-coprocessor, kylin-jdbc, kylin-job and one web application: server. 
> Currently, all libraries have shaded some used third party libraries into the package. For example, guava, curator, commons, kyro in kylin-job. The duplicate libraries in runtime classpath may have potential class loading conflicts and waste computing resource. We should leverage the hadoop provided libraries at runtime instead of the shaded one.



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