Field Detail

• LOG

  private static final org.apache.commons.logging.Log LOG

• conf

  private org.apache.hadoop.conf.Configuration conf

• fs

  private org.apache.hadoop.fs.FileSystem fs

• rootDir

  private org.apache.hadoop.fs.Path rootDir

• sysNsDir

  private org.apache.hadoop.fs.Path sysNsDir

• defNsDir

  private org.apache.hadoop.fs.Path defNsDir

• baseDirs

  private org.apache.hadoop.fs.Path[] baseDirs

• backupDir

  private org.apache.hadoop.fs.Path backupDir

• TMP_DATA_DIR

  private static final String TMP_DATA_DIR

  See Also:

  Constant Field Values

• DOT_LOGS

  private static final String DOT_LOGS

  See Also:

  Constant Field Values

• DOT_OLD_LOGS

  private static final String DOT_OLD_LOGS

  See Also:

  Constant Field Values

• DOT_CORRUPT

  private static final String DOT_CORRUPT

  See Also:

  Constant Field Values

• DOT_SPLITLOG

  private static final String DOT_SPLITLOG

  See Also:

  Constant Field Values

• DOT_ARCHIVE

  private static final String DOT_ARCHIVE

  See Also:

  Constant Field Values

• DOT_LIB_DIR

  private static final String DOT_LIB_DIR

  See Also:

  Constant Field Values

• OLD_ACL

  private static final String OLD_ACL

  See Also:

  Constant Field Values

• NON_USER_TABLE_DIRS

  static final List<String> NON_USER_TABLE_DIRS

  Directories that are not HBase table directories

• TABLEINFO_PATHFILTER

  private static final org.apache.hadoop.fs.PathFilter TABLEINFO_PATHFILTER

• TABLEINFO_FILESTATUS_COMPARATOR

  static final Comparator<org.apache.hadoop.fs.FileStatus> TABLEINFO_FILESTATUS_COMPARATOR

Constructor Detail

• NamespaceUpgrade

  public NamespaceUpgrade()
                   throws IOException

  Throws:

  IOException

Method Detail

• init

  public void init()
            throws IOException

  Throws:

  IOException

• upgradeTableDirs

  public void upgradeTableDirs()
                        throws IOException,
                               DeserializationException

  Throws:

  IOException

  DeserializationException

• deleteRoot

  public void deleteRoot()
                  throws IOException

  Remove the -ROOT- dir. No longer of use.

  Throws:

  IOException

• migrateDotDirs

  public void migrateDotDirs()
                      throws IOException

  Rename all the dot dirs -- .data, .archive, etc. -- as data, archive, etc.; i.e. minus the dot.

  Throws:

  IOException

• mkdirs

  private void mkdirs(org.apache.hadoop.fs.Path p)
               throws IOException

  Throws:

  IOException

• rename

  private void rename(org.apache.hadoop.fs.Path src,
            org.apache.hadoop.fs.Path tgt)
               throws IOException

  Throws:

  IOException

• makeNamespaceDirs

  public void makeNamespaceDirs()
                         throws IOException

  Create the system and default namespaces dirs

  Throws:

  IOException

• migrateTables

  public void migrateTables()
                     throws IOException

  Migrate all tables into respective namespaces, either default or system. We put them into a temporary location, '.data', in case a user table is name 'data'. In a later method we will move stuff from .data to data.

  Throws:

  IOException

• migrateSnapshots

  public void migrateSnapshots()
                        throws IOException

  Throws:

  IOException

• migrateMeta

  public void migrateMeta()
                   throws IOException

  Throws:

  IOException

• removeTableInfoInPre96Format

  private void removeTableInfoInPre96Format(TableName tableName)
                                     throws IOException

  Removes .tableinfo files that are laid in pre-96 format (i.e., the tableinfo files are under table directory).

  Parameters:

  tableName -

  Throws:

  IOException

• migrateACL

  public void migrateACL()
                  throws IOException

  Throws:

  IOException

• updateAcls

  void updateAcls(HRegion region)
            throws IOException

  Deletes the old _acl_ entry, and inserts a new one using namespace.

  Parameters:

  region -

  Throws:

  IOException

• readTableDescriptor

  private static HTableDescriptor readTableDescriptor(org.apache.hadoop.fs.FileSystem fs,
                                     org.apache.hadoop.fs.FileStatus status)
                                               throws IOException

  Throws:

  IOException

• getCurrentTableInfoStatus

  static org.apache.hadoop.fs.FileStatus getCurrentTableInfoStatus(org.apache.hadoop.fs.FileSystem fs,
                                                          org.apache.hadoop.fs.Path dir)
                                                            throws IOException

  Throws:

  IOException

• verifyNSUpgrade

  public static boolean verifyNSUpgrade(org.apache.hadoop.fs.FileSystem fs,
                        org.apache.hadoop.fs.Path rootDir)
                                 throws IOException

  Throws:

  IOException

• run

  public int run(String[] args)
          throws Exception

  Specified by:

  run in interface org.apache.hadoop.util.Tool

  Throws:

  Exception

• setConf

  public void setConf(org.apache.hadoop.conf.Configuration conf)

  Specified by:

  setConf in interface org.apache.hadoop.conf.Configurable

• getConf

  public org.apache.hadoop.conf.Configuration getConf()

  Specified by:

  getConf in interface org.apache.hadoop.conf.Configurable