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https://issues.apache.org/jira/browse/HDFS-4325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Binglin Chang updated HDFS-4325:
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Attachment: HDFS-4325.v1.patch
Because ClientProtocol is in RPC and param dirPerm is defined as "required" in
proto files, I am not sure whether or not to remove it, so I just add some
comments to clarify this parameter is invalid, and do some minor modification
in server side.
> ClientProtocol.createSymlink parameter dirPerm invalid
> ------------------------------------------------------
>
> Key: HDFS-4325
> URL: https://issues.apache.org/jira/browse/HDFS-4325
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client, namenode
> Affects Versions: 2.0.4-alpha
> Reporter: Binglin Chang
> Assignee: Binglin Chang
> Attachments: HDFS-4325.v1.patch
>
>
> {code}
> * @param link The path of the link being created.
> * @param dirPerm permissions to use when creating parent directories
> * @param createParent - if true then missing parent dirs are created
> * if false then parent must exist
> {code}
> According to javadoc, auto created parent dir's permissions will be dirPerm,
> but in fact directory permissions are always inherit from parent directory
> plus u+wx.
> IMHO, createSymlink behavior should be the same as create, which also inherit
> parent dir permission, so the current behavior makes sense, but the related
> dirPerm parameters should be removed cause it is invalid and confusing.
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