Mailing-List: contact dev-help@hive.apache.org; run by ezmlm
Precedence: bulk
Reply-To: dev@hive.apache.org
Date: Fri, 4 Feb 2011 18:30:30 +0000 (UTC)
From: "Namit Jain (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Message-ID: <594167016.205.1296844230902.JavaMail.tomcat@hel.zones.apache.org>
In-Reply-To: <32455984.217501294425585990.JavaMail.jira@thor>
Subject: [jira] Updated: (HIVE-1900) a mapper should be able to span
 multiple partitions
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit


     [ https://issues.apache.org/jira/browse/HIVE-1900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Namit Jain updated HIVE-1900:
-----------------------------

    Attachment: hive.1900.1.patch

> a mapper should be able to span multiple partitions
> ---------------------------------------------------
>
>                 Key: HIVE-1900
>                 URL: https://issues.apache.org/jira/browse/HIVE-1900
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>         Attachments: hive.1900.1.patch
>
>
> Currently, a  mapper only spans a single partition which creates a problem in the presence of many
> small partitions (which is becoming a common usecase in facebook).
> If the plan is the same, a mapper should be able to span files across multiple partitions

-- 
This message is automatically generated by JIRA.
-
For more information on JIRA, see: http://www.atlassian.com/software/jira