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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Trivial Update of "Hbase/Migration" by stack
Date Fri, 11 Jul 2008 22:10:51 GMT
Dear Wiki user,

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The following page has been changed by stack:

   * The migration script is named o.a.h.hbase.util.Migrate.  Run it by invoking '''${HBASE_HOME}/bin/hbase
   * Versions are explicit integers.  The first version is '''1'''.
   * The version of a particular '''hbase.rootdir''' install is recorded into a file at the
top-level named '''hbase.version'''.
+  * Its OK if a migration that spans versions A-D requires that you first install version
C, migrate from A-C, then install D and finish the migration from C-D.
+   * This latter may be necessary when types change radically -- so much so that version
D cannot interpret version A or B types.

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