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https://issues.apache.org/jira/browse/HADOOP-3938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Raghu Angadi updated HADOOP-3938:
---------------------------------
Attachment: HADOOP-3938.patch
Updated patch incorporates detailed review from Konstantin.
- 1, 3, 4, 5, 6, 11 : done
- 2: done. actual changes are slightly different to keep the lines changed to
minimum
- 7 : done. It is still recursive. I am not sure if non-recursive
implementation buys anything. We can avoid recursive calls to INodeFile if we
want to.
- 8 , 9 : We use {{Long.MIN_VALUE}} to indicate "don't modify". This reduces
quite a bit of similar looking code.
- 10 : It is checked eventually in side {{startFileInternal()}} if the file
being appended has a partially filled block.
> Quotas for disk space management
> --------------------------------
>
> Key: HADOOP-3938
> URL: https://issues.apache.org/jira/browse/HADOOP-3938
> Project: Hadoop Core
> Issue Type: New Feature
> Components: dfs
> Reporter: Robert Chansler
> Assignee: Raghu Angadi
> Fix For: 0.19.0
>
> Attachments: HADOOP-3938.patch, HADOOP-3938.patch, HADOOP-3938.patch,
> HADOOP-3938.patch, HADOOP-3938.patch, hdfs_quota_admin_guide.pdf,
> hdfs_quota_admin_guide.xml
>
>
> Directory quotas for bytes limit the number of bytes used by files in and
> below the directory. Operation is independent of name quotas (HADOOP-3187),
> but the implementation is parallel. Each file is charged according to its
> length multiplied by its intended replication factor.
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