On Thu, Apr 28, 2011 at 1:58 AM, Jan Lukavský <[email protected]> wrote: > and therefore we have new region names in 0.20.6. Does this mean we can > upgrade and downgrade hbase versions without any worries? Or do we need to > take care of something else? >
Region naming is the only difference between the data format in 0.20.x and 0.90.x. You should be fine just starting up a 0.90.x (http://hbase.apache.org/book/upgrading.html). St.Ack
