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Posted to issues@kylin.apache.org by "RenZhiMin (JIRA)" <ji...@apache.org> on 2018/03/21 07:06:00 UTC

[jira] [Commented] (KYLIN-3303) 全局字典没有增加cube区分

    [ https://issues.apache.org/jira/browse/KYLIN-3303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16407537#comment-16407537 ] 

RenZhiMin commented on KYLIN-3303:
----------------------------------

[~Shaofengshi] [~yimingliu] Please check it.

> 全局字典没有增加cube区分
> --------------
>
>                 Key: KYLIN-3303
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3303
>             Project: Kylin
>          Issue Type: Bug
>          Components: Job Engine
>    Affects Versions: v2.0.0
>            Reporter: RenZhiMin
>            Priority: Major
>
> cube设计中，某个COUNT_DISTINCT指标使用全局字典。当构建cube时会在hdfs生成字典文件，对应的目录是：{kylin.env.hdfs-working-dir}/resources/GlobalDict/dict/database.tableName/column/，同时会在hbase元数据中生成元数据信息，hbase中元数据rowkey信息：/dict/database.tableName/column/。value信息指定对应的hdfs路径。问题是：当删除cube时没有删除对应的hdfs数据和hbase数据。另外hdfs数据路径和hbase元数据rowkey信息都没有指定具体的cube，如果某一个表的列在多个cube中都使用到了全局字典，会导致多个cube共用一份字典数据。



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