hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-16260) Remove parallel edges of semijoin with map joins.
Date Sun, 30 Apr 2017 06:25:04 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16260?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lefty Leverenz updated HIVE-16260:
----------------------------------
    Fix Version/s:     (was: 2.2.0)
                   2.3.0

> Remove parallel edges of semijoin with map joins.
> -------------------------------------------------
>
>                 Key: HIVE-16260
>                 URL: https://issues.apache.org/jira/browse/HIVE-16260
>             Project: Hive
>          Issue Type: Task
>            Reporter: Deepak Jaiswal
>            Assignee: Deepak Jaiswal
>              Labels: TODOC2.3
>             Fix For: 2.3.0
>
>         Attachments: HIVE-16260.1.patch, HIVE-16260.2.patch, HIVE-16260.3.patch, HIVE-16260.4.patch,
HIVE-16260.5.patch
>
>
> Remove parallel edges of semijoin with map joins as they don't give any benefit to the
query.
> Also, ensure that bloom filters are created to handle at least 1M entries and the semijoin
is disabled if the big table has less than 1M rows.
> Both these features are configurable.



--
This message was sent by Atlassian JIRA
(v6.3.15#6346)

Mime
View raw message