[jira] [Updated] (HDFS-16816) RBF: auto-create user home dir for trash paths by router

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-16816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HDFS-16816:
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    Labels: pull-request-available  (was: )

> RBF: auto-create user home dir for trash paths by router
> --------------------------------------------------------
>
>                 Key: HDFS-16816
>                 URL: https://issues.apache.org/jira/browse/HDFS-16816
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: rbf
>            Reporter: Xing Lin
>            Priority: Minor
>              Labels: pull-request-available
>
> In RBF, trash files are moved to trash root under user's home dir at the corresponding namespace/namenode where the files reside. This was added in HDFS-16024. When the user home dir is not created before-hand at a namenode, we run into permission denied exceptions when trying to create the parent dir for the trash file before moving the file into it. We propose to enhance Router, to auto-create a user home's dir at the namenode for trash paths, using router's identity (which is assumed to be a super-user).



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