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https://issues.apache.org/jira/browse/HAWQ-76?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14977986#comment-14977986
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ASF GitHub Bot commented on HAWQ-76:
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Github user zhangh43 closed the pull request at:
https://github.com/apache/incubator-hawq/pull/36
> add guc to determine whether to convert hash table to random with enforcement
> -----------------------------------------------------------------------------
>
> Key: HAWQ-76
> URL: https://issues.apache.org/jira/browse/HAWQ-76
> Project: Apache HAWQ
> Issue Type: New Feature
> Components: Core
> Reporter: Hubert Zhang
> Assignee: Hubert Zhang
>
> add guc enforce_hash_to_random to determine whether to convert hash table to
> random table.
> enforce_hash_to_random=0: converting when datalocality is low
> enforce_hash_to_random=1: enforce hash
> enforce_hash_to_random=2: enforce random
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