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https://issues.apache.org/jira/browse/HDFS-604?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Shvachko updated HDFS-604:
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Attachment: BlockReportNN.patch
In the patch.
# The new {{reportDiff()}} forms four lists of blocks. Three of them did not
change: the list of replicas that should be added to the name-node, that should
be removed from the name-node, and blocks that the reporting data-node should
invalidate.
The forth list is the list of corrupted replicas, which have either incorrect
generation stamp or a wrong length. This replicas are marked as corrupt, which
triggers replication of the remaining valid replicas, and will eventually
invalidate the corrupt replica once the block is fully replicated.
# {{addStoredBlock()}} completes a committed block once it reaches minimum
replication.
> Block report processing for append
> ----------------------------------
>
> Key: HDFS-604
> URL: https://issues.apache.org/jira/browse/HDFS-604
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: name-node
> Affects Versions: Append Branch
> Reporter: Konstantin Shvachko
> Assignee: Konstantin Shvachko
> Fix For: Append Branch
>
> Attachments: BlockReportNN.patch
>
>
> Implement new block report processing on the name-node as stated in the
> append design and HDFS-576.
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