hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Teddy Choi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-21294) Vectorization: 1-reducer Shuffle can skip the object hash functions
Date Fri, 22 Feb 2019 09:06:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-21294?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Teddy Choi updated HIVE-21294:
------------------------------
    Description: VectorReduceSinkObjectHashOperator can skip the object hashing entirely if
the reducer count = 1.  (was: VectorObjectSinkHashOperator can skip the object hashing entirely
if the reducer count = 1.)

> Vectorization: 1-reducer Shuffle can skip the object hash functions
> -------------------------------------------------------------------
>
>                 Key: HIVE-21294
>                 URL: https://issues.apache.org/jira/browse/HIVE-21294
>             Project: Hive
>          Issue Type: Bug
>          Components: Vectorization
>            Reporter: Gopal V
>            Assignee: Teddy Choi
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-21294.1.patch
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> VectorReduceSinkObjectHashOperator can skip the object hashing entirely if the reducer
count = 1.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

Mime
View raw message