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https://issues.apache.org/jira/browse/HDFS-4209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE updated HDFS-4209:
-----------------------------------------
Attachment: h4209_20121121.patch
h4209_20121121.patch:
- It adds PathException for path related exception such as not-a-file,
directory-not-found, etc.
- fsDir.getParent(pathComponents) is only used by image loading but it holds
the read lock.
> Clean up the addNode/addChild/addChildNoQuotaCheck methods in FSDirectory
> -------------------------------------------------------------------------
>
> Key: HDFS-4209
> URL: https://issues.apache.org/jira/browse/HDFS-4209
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: h4209_20121118b.patch, h4209_20121118.patch,
> h4209_20121119.patch, h4209_20121121.patch
>
>
> - Returning the same INode back is not useful. It is better to simply return
> a boolean to indicate whether the inode is added.
> - The value of childDiskspace parameter is always UNKNOWN_DISK_SPACE.
> - In most cases, the value of the pos parameter is length - 1.
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