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Posted to hdfs-dev@hadoop.apache.org by "Konstantin Shvachko (JIRA)" <ji...@apache.org> on 2009/08/25 03:10:59 UTC
[jira] Created: (HDFS-565) Introduce block committing logic during
new block allocation and file close.
Introduce block committing logic during new block allocation and file close.
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Key: HDFS-565
URL: https://issues.apache.org/jira/browse/HDFS-565
Project: Hadoop HDFS
Issue Type: Sub-task
Components: hdfs client, name-node
Affects Versions: Append Branch
Reporter: Konstantin Shvachko
Assignee: Konstantin Shvachko
Fix For: Append Branch
{{ClientProtocol}} methods {{addBlock()}} and {{complete()}} need to include additional parameter - a block, which has been successfully written to data-nodes. By sending this block to the name-node the client confirms the generation stamp of the block and its length. The block on the name-node changes its state to committed and will become complete as long as one of the finalized replicas reported by data-nodes.
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[jira] Resolved: (HDFS-565) Introduce block committing logic during
new block allocation and file close.
Posted by "Konstantin Shvachko (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HDFS-565?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Konstantin Shvachko resolved HDFS-565.
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Resolution: Fixed
Hadoop Flags: [Reviewed]
I just committed this.
> Introduce block committing logic during new block allocation and file close.
> ----------------------------------------------------------------------------
>
> Key: HDFS-565
> URL: https://issues.apache.org/jira/browse/HDFS-565
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs client, name-node
> Affects Versions: Append Branch
> Reporter: Konstantin Shvachko
> Assignee: Konstantin Shvachko
> Fix For: Append Branch
>
> Attachments: CommitBlock.patch, CommitBlock.patch
>
>
> {{ClientProtocol}} methods {{addBlock()}} and {{complete()}} need to include additional parameter - a block, which has been successfully written to data-nodes. By sending this block to the name-node the client confirms the generation stamp of the block and its length. The block on the name-node changes its state to committed and will become complete as long as one of the finalized replicas reported by data-nodes.
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