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https://issues.apache.org/jira/browse/HIVE-14446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15436449#comment-15436449
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Lefty Leverenz commented on HIVE-14446:
---------------------------------------

Doc note:  *hive.mapjoin.hybridgrace.bloomfilter* will need to be documented in 
the wiki for releases 2.1.1 and 2.2.0.

It belongs in this section:

* [Configuration Properties -- Query and DDL Execution | 
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-QueryandDDLExecution]

> Add switch to control BloomFilter in Hybrid grace hash join and make the FPP 
> adjustable
> ---------------------------------------------------------------------------------------
>
>                 Key: HIVE-14446
>                 URL: https://issues.apache.org/jira/browse/HIVE-14446
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 1.3.0, 2.2.0, 2.1.1
>            Reporter: Wei Zheng
>            Assignee: Wei Zheng
>              Labels: TODOC2.1.1, TODOC2.2
>             Fix For: 2.2.0, 2.1.1
>
>         Attachments: HIVE-14446.1.patch, HIVE-14446.2.patch
>
>
> When row count exceeds certain limit, it doesn't make sense to generate a 
> bloom filter, since its size will be a few hundred MB or even a few GB.



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