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https://issues.apache.org/jira/browse/HADOOP-6869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12891486#action_12891486
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Vinay Kumar Thota commented on HADOOP-6869:
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Hi Cos, I do agree with you. However my requirement is creating the user define
files and folders in task attempt id folder with different kind of permissions
while job is running. Later while cleaning up, i just wanted make sure whether
all the user defined files and folders are cleaned up or not for that job. So
that I have defined the above methods for fulfilling my requirement. As my
understand, i don't think so, the FileSystem is providing the no such straight
forward methods(createNewFile and createNewFolder) like you mentioned.
In the four methods, the first method creates the files with full
permission.Suppose if user wants to give his own permissions while creating
file in that case he can use the second method.Same way for folder creation
also.
bq. also you are writing some content into this file which seems to be an
inadvertent side-effect. Doesn't look like a good idea
I will remove this part in the code.
> [Herriot] Implement a functionality for creating either file or folder in
> task attempt folder while job is running.
> --------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-6869
> URL: https://issues.apache.org/jira/browse/HADOOP-6869
> Project: Hadoop Common
> Issue Type: Task
> Components: test
> Reporter: Vinay Kumar Thota
> Assignee: Vinay Kumar Thota
> Attachments: 6869-ydist-security.patch, HADOOP-6869.patch
>
>
> Functionality for creating either files or folders in task attempt folder
> while job is running. The functionality covers the following methods.
> 1. public void DaemonProtocol.createFile(String path, String fileName,
> boolean local) throws IOException;
> It uses to create a file with full permissions.
> 2. public void DaemonProtocol.createFile(String path, String fileName,
> FsPermission permission, boolean local) throws IOException;
> It uses to create a file with given permissions.
> 3. public void DaemonProtocol.createFolder(String path, String folderName,
> boolean local) throws IOException;
> It uses to create a file with full permissions.
> 4. public void DaemonProtocol.createFolder(String path, String folderName,
> FsPermission permission, boolean local) throws IOException;
> It uses to create a folder with given permissions.
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