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https://issues.apache.org/jira/browse/HAWQ-1757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16978878#comment-16978878
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Zongtian Hou commented on HAWQ-1757:
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[https://github.com/apache/hawq/pull/1487]
> add comment to vseg_to_splits_map
> ---------------------------------
>
> Key: HAWQ-1757
> URL: https://issues.apache.org/jira/browse/HAWQ-1757
> Project: Apache HAWQ
> Issue Type: Improvement
> Components: Planner
> Reporter: Zongtian Hou
> Assignee: Radar Da Lei
> Priority: Major
>
> key is global host Index, value is list of virtual segment id. this map is
> key to calculate datalocality of virtual segments.
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