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Date: Thu, 21 Feb 2008 13:21:23 -0800 (PST)
From: "dhruba borthakur (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Updated: (HADOOP-2655) Copy on write for data and metadata
 files in the presence of snapshots
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     [ https://issues.apache.org/jira/browse/HADOOP-2655?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

dhruba borthakur updated HADOOP-2655:
-------------------------------------

    Status: Patch Available  (was: Open)

> 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
>            Assignee: dhruba borthakur
>             Fix For: 0.17.0
>
>         Attachments: copyOnWrite.patch, copyOnWrite.patch, copyOnWrite2.patch, copyOnWrite3.patch
>
>
> 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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