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From "Nicolas Spiegelberg (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6840) Support non-recursive create() in FileSystem & SequenceFile.Writer
Date Thu, 11 Nov 2010 18:45:17 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12931126#action_12931126
] 

Nicolas Spiegelberg commented on HADOOP-6840:
---------------------------------------------

Note: this patch is necessary for both 0.20-append & 0.21 branch to resolve a critical
data loss bug that we have in HBASE-2312.  This patch has been crafted such that it only adds
an API and does not necessitate the need for regression testing any of the existing APIs.

> Support non-recursive create() in FileSystem & SequenceFile.Writer
> ------------------------------------------------------------------
>
>                 Key: HADOOP-6840
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6840
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs, io
>    Affects Versions: 0.21.0, 0.20-append
>            Reporter: Nicolas Spiegelberg
>            Priority: Minor
>         Attachments: HADOOP-6840_0.20-append.patch, HADOOP-6840_0.21-2.patch, HADOOP-6840_0.21.patch
>
>
> The proposed solution for HBASE-2312 requires the sequence file to handle a non-recursive
create.  This is already supported by HDFS, but needs to have an equivalent FileSystem &
SequenceFile.Writer API.

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