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https://issues.apache.org/jira/browse/HADOOP-3177?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE updated HADOOP-3177:
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Assignee: Tsz Wo (Nicholas), SZE (was: dhruba borthakur)
Release Note: Added a new public interface Syncable which declares the
sync() operation. FSDataOutputStream implements Syncable. If the
wrappedStream in FSDataOutputStream is Syncalbe, calling
FSDataOutputStream.sync() is equivalent to call wrappedStream.sync().
Otherwise, FSDataOutputStream.sync() is a no-op. Both DistributedFileSystem
and LocalFileSystem support the sync() operation.
Hadoop Flags: [Reviewed]
Status: Patch Available (was: Open)
> Expose DFSOutputStream.fsync API though the FileSystem interface
> ----------------------------------------------------------------
>
> Key: HADOOP-3177
> URL: https://issues.apache.org/jira/browse/HADOOP-3177
> Project: Hadoop Core
> Issue Type: Improvement
> Components: dfs
> Reporter: dhruba borthakur
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: 3177_20080603.patch
>
>
> In the current code, there is a DFSOutputStream.fsync() API that allows a
> client to flush all buffered data to the datanodes and also persist block
> locations on the namenode. This API should be exposed through the generic API
> in the org.hadoop.fs.
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