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https://issues.apache.org/jira/browse/HIVE-1032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zheng Shao updated HIVE-1032:
-----------------------------
Resolution: Fixed
Fix Version/s: 0.6.0
Release Note: HIVE-1032. Better Error Messages for Execution Errors. (Paul
Yang via zshao)
Hadoop Flags: [Reviewed]
Status: Resolved (was: Patch Available)
Committed. Thanks Paul!
> Better Error Messages for Execution Errors
> ------------------------------------------
>
> Key: HIVE-1032
> URL: https://issues.apache.org/jira/browse/HIVE-1032
> Project: Hadoop Hive
> Issue Type: New Feature
> Components: Query Processor
> Affects Versions: 0.6.0
> Reporter: Paul Yang
> Assignee: Paul Yang
> Fix For: 0.6.0
>
> Attachments: HIVE-1032.1.patch, HIVE-1032.2.patch, HIVE-1032.3.patch,
> HIVE-1032.4.patch, HIVE-1032.5.patch, HIVE-1032.6.patch
>
>
> Three common errors that occur during execution are:
> 1. Map-side group-by causing an out of memory exception due to large
> aggregation hash tables
> 2. ScriptOperator failing due to the user's script throwing an exception or
> otherwise returning a non-zero error code
> 3. Incorrectly specifying the join order of small and large tables, causing
> the large table to be loaded into memory and producing an out of memory
> exception.
> These errors are typically discovered by manually examining the error log
> files of the failed task. This task proposes to create a feature that would
> automatically read the error logs and output a probable cause and solution to
> the command line.
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