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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3127) Pass hconf values as XML instead of command line arguments to child JVM
Date Thu, 28 Jun 2012 06:21:43 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13402884#comment-13402884
] 

Hudson commented on HIVE-3127:
------------------------------

Integrated in Hive-trunk-h0.21 #1517 (See [https://builds.apache.org/job/Hive-trunk-h0.21/1517/])
    HIVE-3127 Pass hconf values as XML instead of command line arguments to child JVM. Kanna
Karanam (via egc) (Revision 1354781)

     Result = FAILURE
ecapriolo : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1354781
Files : 
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ExecDriver.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/MapRedTask.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/MapredLocalTask.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/io/rcfile/merge/BlockMergeTask.java

                
> Pass hconf values as XML instead of command line arguments to child JVM
> -----------------------------------------------------------------------
>
>                 Key: HIVE-3127
>                 URL: https://issues.apache.org/jira/browse/HIVE-3127
>             Project: Hive
>          Issue Type: Bug
>          Components: Configuration, Windows
>    Affects Versions: 0.9.0, 0.10.0, 0.9.1
>            Reporter: Kanna Karanam
>            Assignee: Kanna Karanam
>              Labels: Windows
>             Fix For: 0.10.0
>
>         Attachments: HIVE-3127.1.patch.txt, HIVE-3127.2.patch.txt, HIVE-3127.3.patch.txt
>
>
> The maximum length of the DOS command string is 8191 characters (in Windows latest versions
http://support.microsoft.com/kb/830473). This limit will be exceeded easily when it appends
individual –hconf values to the command string. To work around this problem, Write all changed
hconf values to a temp file and pass the temp file path to the child jvm to read and initialize
the -hconf parameters from file.

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