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Posted to issues@kylin.apache.org by "Zhong Yanghong (JIRA)" <ji...@apache.org> on 2017/12/11 07:46:00 UTC

[jira] [Commented] (KYLIN-3098) add a new config kylin.query.max-return-rows for the maximum row count returned to user

    [ https://issues.apache.org/jira/browse/KYLIN-3098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16285609#comment-16285609 ] 

Zhong Yanghong commented on KYLIN-3098:
---------------------------------------

In some cases that lots of post-aggregations are needed, the scan limitation will fail fast. However, it may bring additional issues. For examples, when query hits base cuboid with large row count(bytes), it will always throw {{ResourceLimitExceededException}}.

> add a new config kylin.query.max-return-rows for the maximum row count returned to user
> ---------------------------------------------------------------------------------------
>
>                 Key: KYLIN-3098
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3098
>             Project: Kylin
>          Issue Type: Improvement
>            Reporter: Zhong Yanghong
>            Assignee: Zhong Yanghong
>         Attachments: APACHE-KYLIN-3098.patch
>
>




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