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Posted to issues@kylin.apache.org by "Zhong Yanghong (Jira)" <ji...@apache.org> on 2020/09/14 06:39:00 UTC

[jira] [Updated] (KYLIN-4666) Improve TopNCounter's merge performance

     [ https://issues.apache.org/jira/browse/KYLIN-4666?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhong Yanghong updated KYLIN-4666:
----------------------------------
    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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