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From "Carl Steinbach (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-945) custom mappers/reducers should not be initialized at compile time
Date Mon, 07 Mar 2011 20:19:59 GMT

     [ https://issues.apache.org/jira/browse/HIVE-945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Carl Steinbach updated HIVE-945:
--------------------------------

    Fix Version/s: 0.5.0

{code}

commit df1967f9a88fbb64351c3e97c540f36bc59f6c1a
Author: Yongqiang He <heyongqiang@apache.org>
Date:   Tue Nov 24 07:12:55 2009 +0000

    custom mappers/reducers should not be initialized at compile time
    
    git-svn-id: https://svn.apache.org/repos/asf/hadoop/hive/trunk@883608 13f79535-47bb-0310-9956-ffa450edef68

 CHANGES.txt                                        |    2 +
 .../apache/hadoop/hive/ql/exec/ScriptOperator.java |  206 +++++++++++---------
 2 files changed, 116 insertions(+), 92 deletions(-)

{code}


> custom mappers/reducers should not be initialized at compile time
> -----------------------------------------------------------------
>
>                 Key: HIVE-945
>                 URL: https://issues.apache.org/jira/browse/HIVE-945
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>    Affects Versions: 0.5.0
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>             Fix For: 0.5.0
>
>         Attachments: hive.945.1.patch, hive.945.2.patch
>
>
> custom mappers/reducers should not be initialized at compile time
> Instead of being initialized at compile time, they should be initialized at the first
row, since the custom job may be doing some redundant work or 
> some task specific work

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