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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5744) Revisit append
Date Sat, 20 Jun 2009 02:18:07 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hairong Kuang updated HADOOP-5744:
----------------------------------

    Attachment: appendDesign.pdf

A draft of the design document is attached. Please comment. Nicholas will post a test plan.

I will be on vacation in the next few weeks. Please be not surprised if my response is delayed.

> Revisit append
> --------------
>
>                 Key: HADOOP-5744
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5744
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.20.0
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: 0.21.0
>
>         Attachments: appendDesign.pdf, AppendSpec.pdf
>
>
> HADOOP-1700 and related issues have put a lot of efforts to provide the first implementation
of append. However, append is such a complex feature. It turns out that there are issues that
were initially seemed trivial but needs a careful design. This jira revisits append, aiming
for a design and implementation supporting a semantics that are acceptable to its users.

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