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Posted to dev@hive.apache.org by "Carl Steinbach (JIRA)" <ji...@apache.org> on 2011/03/07 21:19:59 UTC
[jira] Updated: (HIVE-945) custom mappers/reducers should not be
initialized at compile time
[ 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 <he...@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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