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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5078) Support file append in NFSv3 gateway to enable data streaming to HDFS
Date Thu, 29 Aug 2013 13:29:54 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13753615#comment-13753615
] 

Hudson commented on HDFS-5078:
------------------------------

SUCCESS: Integrated in Hadoop-Hdfs-trunk #1506 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1506/])
HDFS-5078 Support file append in NFSv3 gateway to enable data streaming to HDFS. Contributed
by Brandon Li (brandonli: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1518292)
* /hadoop/common/trunk/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/nfs/nfs3/Nfs3Constant.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/OpenFileCtx.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/RpcProgramNfs3.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs-nfs/src/main/java/org/apache/hadoop/hdfs/nfs/nfs3/WriteManager.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

                
> Support file append in NFSv3 gateway to enable data streaming to HDFS
> ---------------------------------------------------------------------
>
>                 Key: HDFS-5078
>                 URL: https://issues.apache.org/jira/browse/HDFS-5078
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: nfs
>    Affects Versions: 3.0.0
>            Reporter: Brandon Li
>            Assignee: Brandon Li
>             Fix For: 3.0.0
>
>         Attachments: HDFS-5078.patch, HDFS-5078.patch.2, HDFS-5078.patch.3
>
>
> Currently NFS gateway closes an output stream after it's idle for certain period (e.g.,
10 seconds). The subsequent writes to the stream will fail. 
> This JIRA is to track the change to reopen an output stream to the same file to append
new data. This makes it possible for the application to directly stream data to HDFS.  

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