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https://issues.apache.org/jira/browse/HADOOP-4494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12642035#action_12642035
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Pete Wyckoff commented on HADOOP-4494:
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idea - we deprecate not having the O_CREAT flag by writing out a warning and
updating the docs.
The good thing about this kind of deprecation is we can ultimately just return
-ENOENT when we are ready - should be easy for users to see they have to fix
something.
but, should also look at O_EXCL at the same time ...
> libhdfs does not call FileSystem.append when O_APPEND passed to hdfsOpenFile
> ----------------------------------------------------------------------------
>
> Key: HADOOP-4494
> URL: https://issues.apache.org/jira/browse/HADOOP-4494
> Project: Hadoop Core
> Issue Type: Bug
> Components: libhdfs
> Affects Versions: 0.19.1, 0.20.0
> Reporter: Pete Wyckoff
> Assignee: Pete Wyckoff
> Fix For: 0.19.1, 0.20.0
>
> Attachments: HADOOP-4494.txt
>
>
> libhdfs currently calls FileSystem.create when O_APPEND passed in - ie it
> ignores this flag
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