Rushabh S Shah created HDFS-13035:
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Summary: Owner should be able to set xattr if not already set.
Key: HDFS-13035
URL: https://issues.apache.org/jira/browse/HDFS-13035
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs, namenode
Reporter: Rushabh S Shah
Motivation: This is needed to support encryption zones on WebhdfsFileSystem.
For writing into EZ directory, webhdfs client will encrypt data on client side
and will always write into /.reserved/raw/ directory so that datanode will not
encrypt since its writing to /.reserved/raw directory.
But then we have to somehow set crypto related x-attrs on the file.
Currently only super user is allowed to set x-attrs.
So I am proposing that the file owner(and superuser) should be allowed to set
crypto related x-attrs if they are already not set.
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