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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7478) 0-byte files retained in the dfs while the FSshell -put is unsuccessful
Date Wed, 20 Jul 2011 20:53:58 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7478?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13068628#comment-13068628

Eli Collins commented on HADOOP-7478:

It doesn't seem like FileUtil#copy should always delete the destination if there's an IOE
doing the copy. For example, what if there's an error reading the source, overwrite is true,
and the dest exists. We will have removed the dest but not necessarily replaced it with a
new file, ie copy(x, y) should never result in y not existing right?  Please add tests that
cover the current behavior (what happens when there's an IOE during copy) so we can see how
the tests modify the behavior.

> 0-byte files retained in the dfs while the FSshell -put is unsuccessful
> -----------------------------------------------------------------------
>                 Key: HADOOP-7478
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7478
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.23.0
>            Reporter: XieXianshan
>            Assignee: XieXianshan
>            Priority: Trivial
>         Attachments: HADOOP-7478.patch
> The process of putting file into dfs is approximately as follows:
> 1) create a file in the dfs
> 2) copy from one stream to the file
> But the problem is that the file is still retained in the dfs when the process 2) is
terminated abnormally with unexpected exceptions,such as there is no DataNode alive.

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