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Hudson commented on HDFS-1363:
------------------------------
Integrated in Hadoop-Hdfs-trunk-Commit #388 (See [https://hudson.apache.org/hudson/job/Hadoop-Hdfs-trunk-Commit/388/])
HDFS-1363. Eliminate second synchronized sections in appendFile(). Contributed by Konstantin
Shvachko.
> 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-0.21.patch, 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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