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From "Jeremy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-265) Revisit append
Date Tue, 16 Mar 2010 19:50:28 GMT

    [ https://issues.apache.org/jira/browse/HDFS-265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12846094#action_12846094
] 

Jeremy  commented on HDFS-265:
------------------------------

I like most people have been eagerly awaiting this feature for a while now. I've searched
the web and can't seem to find any comments on when this feature is expected to be out. Since
we are coming up on 0.20 + 1 year, I wonder if anyone would like to comment on the 0.21 release,
is there a particular time frame you all are shooting for?

Thanks.

> Revisit append
> --------------
>
>                 Key: HDFS-265
>                 URL: https://issues.apache.org/jira/browse/HDFS-265
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 0.21.0
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: 0.21.0
>
>         Attachments: a.sh, appendDesign.pdf, appendDesign.pdf, appendDesign1.pdf, appendDesign2.pdf,
AppendSpec.pdf, AppendTestPlan.html, AppendTestPlan.html, AppendTestPlan.html, AppendTestPlan.html,
AppendTestPlan.html, AppendTestPlan.html, AppendTestPlan.html, AppendTestPlan.html, AppendTestPlan.html,
TestPlanAppend.html
>
>
> 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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