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https://issues.apache.org/jira/browse/KYLIN-2238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15823373#comment-15823373
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kangkaisen commented on KYLIN-2238:
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Yes, the main purpose is to avoid OOM. For example, the threshold is 3000000,
but the cube has 10 segments and each segments maybe scan 1000000 records.
> Add query server scan threshold
> -------------------------------
>
> Key: KYLIN-2238
> URL: https://issues.apache.org/jira/browse/KYLIN-2238
> Project: Kylin
> Issue Type: Improvement
> Components: Query Engine
> Affects Versions: v1.5.4.1
> Reporter: kangkaisen
> Assignee: kangkaisen
> Fix For: v2.0.0
>
> Attachments: KYLIN-2238.patch
>
>
> currently, we have added scan threshold in HBase RegionServer, we should
> also add scan threshold in Kylin query server.
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