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https://issues.apache.org/jira/browse/CARBONDATA-3605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16989308#comment-16989308 ]
Hong Shen commented on CARBONDATA-3605:
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May I ask why you need to drop the global dictionary feature? I think global dictionary feature can significantly optimize aggregate performance.
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