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https://issues.apache.org/jira/browse/HADOOP-3505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12606327#action_12606327
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Hemanth Yamijala commented on HADOOP-3505:
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Actually changes in Hadoop 0.18 now allow HOD to take relative paths on the
command line. Likewise, if an incorrect conf is present, the errors are
reported back to the client. However, we should document that the tarball
should not contain a modified conf, so that users know this proactively.
In addition to the above, the following changes are identified after reviewing
the bugs fixed for HOD in Hadoop 0.18:
- HADOOP-3376: Hyperlink Maui in the documentation, crediting Cluster Resources
for the software. Also, Torque and Maui should be capitalized in the
documentation.
- HADOOP-3464: Add 2 new error scenarios in the trouble shooting section. One
should describe the error that comes when ringmaster fails, the other when the
jobtracker fails. For the latter, we should mention that administrators can
review other log messages in the ringmaster log to see which other machines had
problems bringing up the jobtracker, apart from the one that is reported on the
command line.
- HADOOP-3483: Remove any limitations we have specified about creating a
cluster directory. Now, we create it automatically.
- HADOOP-3184: Document in the Config guide about
ringmaster.max-master-failures parameter.
> omissions in HOD documentation
> ------------------------------
>
> Key: HADOOP-3505
> URL: https://issues.apache.org/jira/browse/HADOOP-3505
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/hod, documentation
> Reporter: Ari Rabkin
> Assignee: Hemanth Yamijala
> Priority: Blocker
> Fix For: 0.18.0
>
>
> There's a couple HOD limitations that really trip up the unwary.
> Two I've encountered are that hod can't take relative paths on the command
> line, and that if you pass hod a tarball with a modified /conf, then the
> cluster will fail mysteriously to be initialized.
> I don't see any references to either in the documentation, and it'd be great
> to write this down.
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