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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: Currently, we need to do sort for very merge operation, which
will cost much time
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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 a