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Posted to issues@hive.apache.org by "Wei Zheng (JIRA)" <ji...@apache.org> on 2016/08/05 22:22:20 UTC

[jira] [Updated] (HIVE-14446) Adjust bloom filter for hybrid grace hash join when row count exceeds certain limit

     [ https://issues.apache.org/jira/browse/HIVE-14446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wei Zheng updated HIVE-14446:
-----------------------------
    Summary: Adjust bloom filter for hybrid grace hash join when row count exceeds certain limit  (was: Disable bloom filter for hybrid grace hash join when row count exceeds certain limit)

> Adjust bloom filter for hybrid grace hash join when row count exceeds certain limit
> -----------------------------------------------------------------------------------
>
>                 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
>
> 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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