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https://issues.apache.org/jira/browse/KYLIN-4666?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhong Yanghong updated KYLIN-4666:
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Description: It's better to use PriorityQueue rather than
Collections.sort() to sort elements and find minimum value.
> Improve TopNCounter's merge performance
> ---------------------------------------
>
> Key: KYLIN-4666
> URL: https://issues.apache.org/jira/browse/KYLIN-4666
> Project: Kylin
> Issue Type: Improvement
> Reporter: Zhong Yanghong
> Assignee: Zhong Yanghong
> Priority: Major
>
> It's better to use PriorityQueue rather than Collections.sort() to sort
> elements and find minimum value.
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