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https://issues.apache.org/jira/browse/HADOOP-3310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dhruba borthakur updated HADOOP-3310:
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Attachment: 3310_20080524_dhruba.patch
Hi Nicholas, I took your latest patch and made changes to it so that the same
lease recovery code is called from the client. It passes all unit tests except
TestFileCreation. Maybe we can use this patch for further development and
debugging. Also, pl feel free to make any changes to the code I added.
> Lease recovery for append
> -------------------------
>
> Key: HADOOP-3310
> URL: https://issues.apache.org/jira/browse/HADOOP-3310
> Project: Hadoop Core
> Issue Type: New Feature
> Components: dfs
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: 3310_20080514.patch, 3310_20080516b.patch,
> 3310_20080516c.patch, 3310_20080519.patch, 3310_20080519b.patch,
> 3310_20080520.patch, 3310_20080521.patch, 3310_20080522b.patch,
> 3310_20080522c.patch, 3310_20080523.patch, 3310_20080524_dhruba.patch
>
>
> In order to support file append, a GenerationStamp is associated with each
> block. Lease recovery will be performed when there is a possibility that the
> replicas of a block in a lease may have different GenerationStamp values.
> For more details, see the documentation in HADOOP-1700.
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