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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-3464) [HOD] HOD can improve error messages by reporting failures on compute nodes back to hod client
Date Fri, 30 May 2008 06:22:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-3464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kumar Vavilapalli updated HADOOP-3464:
--------------------------------------------

    Attachment: HADOOP-3464

Attaching first patch.

 - This solves the problem of reporting errors on ringmaster side back to the hod client,
HodRing problems are still NOT addressed.
 - Changes to hodlib/Common/setup.py are borrowed from the patch to HADOOP-2961. Need merging
of these two while committing.
 - Also fixed another issue - earlier, any validation errors in ringmaster were not getting
logged due to late log initialization, changed this now so that these errors can also be reported
back to the hod client.
 - Tested with 1) an invalid tar file e.g. a junk file 2) a non-existent path value for hodring.java-home
and 3) a non-existent path value for gridservice-hdfs.pkgs and verified that errors are properly
propagated back to the hod client.

> [HOD] HOD can improve error messages by reporting failures on compute nodes back to hod
client
> ----------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-3464
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3464
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: contrib/hod
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Vinod Kumar Vavilapalli
>             Fix For: 0.18.0
>
>         Attachments: HADOOP-3464
>
>
> This issue addresses error messages w.r.t failures on compute nodes, while HADOOP-3151
addresses error messages in hod client.

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