hadoop/hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-2006.txt

Hadoop HDFS Change Log for HDFS-2006

HDFS-2006 (Unreleased)

  INCOMPATIBLE CHANGES

  NEW FEATURES

  IMPROVEMENTS

    HDFS-6299. Protobuf for XAttr and client-side implementation. (Yi Liu via umamahesh)

    HDFS-6302. Implement XAttr as a INode feature. (Yi Liu via umamahesh)

    HDFS-6309. Javadocs for Xattrs apis in DFSClient and other minor fixups. (Charles Lamb via umamahesh)

    HDFS-6258. Namenode server-side storage for XAttrs. (Yi Liu via umamahesh)

    HDFS-6303. HDFS implementation of FileContext API for XAttrs. (Yi Liu and Charles Lamb via umamahesh)

    HDFS-6324. Shift XAttr helper code out for reuse. (Yi Liu via umamahesh)

    HDFS-6301. NameNode: persist XAttrs in fsimage and record XAttrs modifications to edit log.
    (Yi Liu via umamahesh)

    HDFS-6298. XML based End-to-End test for getfattr and setfattr commands. (Yi Liu via umamahesh)

    HDFS-6314. Test cases for XAttrs. (Yi Liu via umamahesh)

    HDFS-6344. Maximum limit on the size of an xattr. (Yi Liu via umamahesh)

    HDFS-6377. Unify xattr name and value limits into a single limit. (wang)

    HDFS-6373. Remove support for extended attributes on symlinks. (Charles Lamb via wang)

    HDFS-6283. Write end user documentation for xattrs. (wang)

    HDFS-6412. Interface audience and stability annotations missing from
    several new classes related to xattrs. (wang)

    HDFS-6259. Support extended attributes via WebHDFS. (yliu)

  OPTIMIZATIONS

    HDFS-6346. Optimize OP_SET_XATTRS by persisting single Xattr entry per setXattr/removeXattr api call
    (Yi Liu via umamahesh)

  BUG FIXES

    HDFS-6331. ClientProtocol#setXattr should not be annotated idempotent.
    (umamahesh via wang)

    HDFS-6335. TestOfflineEditsViewer for XAttr. (Yi Liu via umamahesh)

    HDFS-6343. fix TestNamenodeRetryCache and TestRetryCacheWithHA failures. (umamahesh)

    HDFS-6366. FsImage loading failed with RemoveXattr op (umamahesh)

    HDFS-6357. SetXattr should persist rpcIDs for handling retrycache with Namenode restart and HA
    (umamahesh)

    HDFS-6372. Handle setXattr rpcIDs for OfflineEditsViewer. (umamahesh)

    HDFS-6410. DFSClient unwraps AclException in xattr methods, but those
    methods cannot throw AclException. (wang)

    HDFS-6413. xattr names erroneously handled as case-insensitive.
    (Charles Lamb via cnauroth)

    HDFS-6414. xattr modification operations are based on state of latest
    snapshot instead of current version of inode. (Andrew Wang via cnauroth)

    HDFS-6374. setXAttr should require the user to be the owner of the file
    or directory (Charles Lamb via wang)