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https://issues.apache.org/jira/browse/HDFS-1363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Shvachko updated HDFS-1363:
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Attachment: appendFileSync.patch
Enhansed JavaDocs and eliminated createLocatedBlock() as Jakob suggested.
The tests are running.
> startFileInternal should return the last block of the file opened for append
> as an under-construction block
> -----------------------------------------------------------------------------------------------------------
>
> Key: HDFS-1363
> URL: https://issues.apache.org/jira/browse/HDFS-1363
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.21.0
> Reporter: Konstantin Shvachko
> Assignee: Konstantin Shvachko
> Fix For: 0.21.1
>
> Attachments: appendFileSync.patch, appendFileSync.patch
>
>
> {{FSNamesystem.startFileInternal}} should convert the last block of the file
> opened for append to an under-construction block and return it. This will let
> remove the second synchronized section in {{FSNamesystem.appendFile()}} and
> avoid redundant computations and potential inconsistencies as stated in
> HDFS-1152.
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