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

• 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

• migrateACL

  public void migrateACL()
                  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