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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4098) Support append to original files which are snapshotted
Date Mon, 14 Jan 2013 19:26:13 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jing Zhao updated HDFS-4098:
----------------------------

    Attachment: HDFS-4098.compile.patch

The patch HDFS-4098.compile.patch can pass the compiling, but is not correct when specifying
the types for FileLink.Util#getBlockReplication and FileLink.Util#collectSubtreeBlocksAndClear
in INodeFileUnderConstructionWithLink and INodeFileWithLink.
                
> 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,
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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