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https://issues.apache.org/jira/browse/HIVE-21329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesus Camacho Rodriguez reassigned HIVE-21329:
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> Custom Tez runtime unordered output buffer size depending on operator pipeline
> ------------------------------------------------------------------------------
>
> Key: HIVE-21329
> URL: https://issues.apache.org/jira/browse/HIVE-21329
> Project: Hive
> Issue Type: Improvement
> Components: Tez
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
>
> For instance, if we have a reduce sink operator with no keys followed by a
> Group By (merge partial), we can decrease the output buffer size since we
> will only produce a single row.
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