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Date: Thu, 17 Jan 2013 18:36:23 +0000 (UTC)
From: "Jing Zhao (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12612898.1350860999195.153602.1358447783069@arcas>
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Subject: [jira] [Commented] (HDFS-4098) Support append to original files
 which are snapshotted
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    [ https://issues.apache.org/jira/browse/HDFS-4098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13556448#comment-13556448 ] 

Jing Zhao commented on HDFS-4098:
---------------------------------

+1 for the new patch.
                
> Support append to original files which are snapshotted
> ------------------------------------------------------
>
>                 Key: HDFS-4098
>                 URL: https://issues.apache.org/jira/browse/HDFS-4098
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: Snapshot (HDFS-2802)
>
>         Attachments: h4098_20130107.patch, h4098_20130109b.patch, h4098_20130113.patch, h4098_20130116.patch, h4098_20130117.patch, HDFS-4098.compile.patch
>
>
> When a regular file is reopened for append, the type is changed from INodeFile to INodeFileUnderConstruction.  The type of snapshotted files (i.e. original files) is INodeFileWithLink.  We have to support similar "under construction" INodeFileWithLink.

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