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https://issues.apache.org/jira/browse/KYLIN-2937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16203643#comment-16203643
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Billy Liu commented on KYLIN-2937:
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As the log said, "Identical dictionary content, reuse existing dictionary"
In your case, no new dictionary is building. 
Have you run the StorageCleanupJob? 

> 非分区cube的中间数据会累积
> ---------------
>
>                 Key: KYLIN-2937
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2937
>             Project: Kylin
>          Issue Type: Bug
>            Reporter: zhengzfand
>
> 非分区的cube构建之后,中间数据不会被清理.
> 存放在hdfs上的字典文件,会一直累积.cube构建时会加载所有这些累积字典文件,
> 有可能导致内存溢出(如果字典文件够大够多的话).



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