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Posted to hdfs-dev@hadoop.apache.org by "Hairong Kuang (JIRA)" <ji...@apache.org> on 2009/08/12 20:33:14 UTC
[jira] Created: (HDFS-543) Break FSDatasetInterface#writeToBlock()
into writeToTemporary, writeToRBW, and append
Break FSDatasetInterface#writeToBlock() into writeToTemporary, writeToRBW, and append
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Key: HDFS-543
URL: https://issues.apache.org/jira/browse/HDFS-543
Project: Hadoop HDFS
Issue Type: Sub-task
Components: data-node
Affects Versions: Append Branch
Reporter: Hairong Kuang
Assignee: Hairong Kuang
Fix For: Append Branch
FSDatasetInterface#writeToBlock() currently allows to create/recover a temporary replica, create/recover a RBW replica, or append to a replica. The implementation of the method in FSDataset is very complicated and error prone. I'd like to break this method into 3:
1. writeToTemporary allows to create a Temporary replica or recover from a packet error for a Tempoary replica;
2. writeToRBW allows to create a RBW replica or recover from a packet error for a RBW replica;
3. append allows to append to an existing Finalized replica.
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[jira] Resolved: (HDFS-543) Break FSDatasetInterface#writeToBlock()
into writeToTemporary, writeToRBW, and append
Posted by "Hairong Kuang (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HDFS-543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hairong Kuang resolved HDFS-543.
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Resolution: Fixed
Release Note: I've already committed this.
Hadoop Flags: [Reviewed]
> Break FSDatasetInterface#writeToBlock() into writeToTemporary, writeToRBW, and append
> -------------------------------------------------------------------------------------
>
> Key: HDFS-543
> URL: https://issues.apache.org/jira/browse/HDFS-543
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: data-node
> Affects Versions: Append Branch
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: Append Branch
>
> Attachments: writeToReplica.patch, writeToReplica1.patch, writeToReplica2.patch, writeToReplica3.patch
>
>
> FSDatasetInterface#writeToBlock() currently allows to create/recover a temporary replica, create/recover a RBW replica, or append to a replica. The implementation of the method in FSDataset is very complicated and error prone. I'd like to break this method into 3:
> 1. writeToTemporary allows to create a Temporary replica or recover from a packet error for a Tempoary replica;
> 2. writeToRBW allows to create a RBW replica or recover from a packet error for a RBW replica;
> 3. append allows to append to an existing Finalized replica.
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