[HDFS-6486] Add user doc for XAttrs via WebHDFS.

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha1
• Fix Version/s: 2.5.0
• Component/s: webhdfs
• Hadoop Flags: Reviewed
• Assignee: Yi Liu
• Reporter: Yi Liu
• Created: 04/Jun/14 08:26
• Updated: 12/May/16 18:11
• Resolved: 24/Jun/14 12:20

Description

Add the user doc for XAttrs via WebHDFS.

Set xattr:

curl -i -X PUT 'http://<HOST>:<PORT>/webhdfs/v1/<PATH>?op=SETXATTR&xattr.name=<XATTRNAME>&xattr.value=<XATTRVALUE>&flag=<FLAG>'

Remove xattr:

curl -i -X PUT 'http://<HOST>:<PORT>/webhdfs/v1/<PATH>?op=REMOVEXATTR&xattr.name=<XATTRNAME>'

Get an xattr:

curl -i 'http://<HOST>:<PORT>/webhdfs/v1/<PATH>?op=GETXATTRS&xattr.name=<XATTRNAME>&encoding=<ENCODING>'

Get multiple xattrs (XATTRNAME1, XATTRNAME2, XATTRNAME3):

curl -i 'http://<HOST>:<PORT>/webhdfs/v1/<PATH>?op=GETXATTRS&xattr.name=<XATTRNAME1>&xattr.name=<XATTRNAME2>&xattr.name=<XATTRNAME3>&encoding=<ENCODING>'

Get all xattrs:

curl -i 'http://<HOST>:<PORT>/webhdfs/v1/<PATH>?op=GETXATTRS&encoding=<ENCODING>'

List xattrs

curl -i 'http://<HOST>:<PORT>/webhdfs/v1/<PATH>?op=LISTXATTRS'

Issue Links

• is related to: HDFS-2006 ability to support storing extended attributes per file