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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2655) Copy on write for data and metadata files in the presence of snapshots
Date Sun, 03 Feb 2008 09:56:07 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2655?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12565162#action_12565162
] 

dhruba borthakur commented on HADOOP-2655:
------------------------------------------

See previous description of this problem here:
https://issues.apache.org/jira/browse/HADOOP-2012?focusedCommentId=12548478#action_12548478


> Copy on write for data and metadata files in the presence of snapshots
> ----------------------------------------------------------------------
>
>                 Key: HADOOP-2655
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2655
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>            Reporter: dhruba borthakur
>
> If a DFS Client wants to append data to an existing file (appends, HADOOP-1700) and a
snapshot is present, the Datanoed has to implement some form of a copy-on-write for writes
to data and meta data files.

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