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https://issues.apache.org/jira/browse/HDFS-265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12846698#action_12846698
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Hairong Kuang commented on HDFS-265:
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This feature has been implemented in 0.21 and tested by HBase and our Yahoo!
developers. I think 0.21 in general still needs large scale tests. Regarding
0.21, unfortunately Yahoo! is going to skip this release. There are some
discussions in the hadoop mailing list on how to release 0.21 in the community,
please check it out there.
> 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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