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https://issues.apache.org/jira/browse/KYLIN-1791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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qianqiaoneng updated KYLIN-1791:
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Assignee: Vic Wang (was: hongbin ma)
> Metadata Migration Tool validation error - Aggregation group has too many
> combinations
> --------------------------------------------------------------------------------------
>
> Key: KYLIN-1791
> URL: https://issues.apache.org/jira/browse/KYLIN-1791
> Project: Kylin
> Issue Type: Bug
> Components: Tools, Build and Test
> Affects Versions: v1.4.0, v1.3.1
> Reporter: qianqiaoneng
> Assignee: Vic Wang
>
> When counting dimension number of aggregation group, the joint dimensions
> should be count as 1 instead of the real dimension numbers, which cause the
> exception below.
> java.lang.IllegalStateException: Aggregation group 0 has too many
> combinations, use 'mandatory'/'hierarchy'/'joint' to optimize; or update
> 'kylin.cube.aggrgroup.max.combination' to a bigger value.
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