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Posted to issues@kylin.apache.org by "hongbin ma (JIRA)" <ji...@apache.org> on 2017/08/07 08:59:00 UTC
[jira] [Commented] (KYLIN-2606) Only return counter for precise
count_distinct if query is exactAggregate
[ https://issues.apache.org/jira/browse/KYLIN-2606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16116289#comment-16116289 ]
hongbin ma commented on KYLIN-2606:
-----------------------------------
patch reviewed
> Only return counter for precise count_distinct if query is exactAggregate
> -------------------------------------------------------------------------
>
> Key: KYLIN-2606
> URL: https://issues.apache.org/jira/browse/KYLIN-2606
> Project: Kylin
> Issue Type: Improvement
> Components: Query Engine
> Affects Versions: v2.0.0
> Reporter: kangkaisen
> Assignee: kangkaisen
>
> If the query is exactAggregation and has some memory hungry measures, we could directly return final result to speed up the query , reduce the RPC data size and memory usage in queryServer.
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