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https://issues.apache.org/jira/browse/HIVE-17164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt McCline updated HIVE-17164:
--------------------------------
    Status: Patch Available  (was: In Progress)

> Vectorization: Support PTF (Part 2: Unbounded Support-- Turn ON by default)
> ---------------------------------------------------------------------------
>
>                 Key: HIVE-17164
>                 URL: https://issues.apache.org/jira/browse/HIVE-17164
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>         Attachments: HIVE-17164.01.patch, HIVE-17164.02.patch, 
> HIVE-17164.03.patch
>
>
> Add disk storage backing.  Turn hive.vectorized.execution.ptf.enabled on by 
> default.
> Add hive.vectorized.ptf.max.memory.buffering.batch.count to specify the 
> maximum number of vectorized row batch to buffer in memory before spilling to 
> disk.
> Add hive.vectorized.testing.reducer.batch.size parameter to have the Tez 
> Reducer make small batches for making a lot of key group batches that cause 
> memory buffering and disk storage backing.



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