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https://issues.apache.org/jira/browse/KYLIN-4720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17218114#comment-17218114
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ASF GitHub Bot commented on KYLIN-4720:
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fengpod commented on pull request #1378:
URL: https://github.com/apache/kylin/pull/1378#issuecomment-713305274
@bigxiaochu
这项配置支持项目级别和cube级别，对项目下的所有cube的所有segment或者某个cube的所有segment生效。是针对业务方高并发查询某个cube的数据占用大量regionserver资源从而影响核心业务查询。这种场景下超过quota限制是允许失败的。
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> support htable read quota
> -------------------------
>
> Key: KYLIN-4720
> URL: https://issues.apache.org/jira/browse/KYLIN-4720
> Project: Kylin
> Issue Type: Improvement
> Components: Storage - HBase
> Affects Versions: v3.1.0
> Reporter: fengpod
> Assignee: Xiaoxiang Yu
> Priority: Minor
> Fix For: v3.1.2
>
>
> In order to avoid the pressure of massive queries on hbase，htable read quota
> is necessary。Through a new configuration “kylin.hbase.htable-quota”，we can
> control the read quota when the htable created。The default value of this conf
> is -1，means will not limit queries。You can set it to any intger greater than
> 0 as needed。
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