Hi, Yes, each cell is associated to a long. By default it's a timestamps, but you can set it yourself when you create the put. It's stored everywhere.
You've got a lot of information and links on this in the hbase book ( http://hbase.apache.org/book.html#versions) Cheers, N. On Mon, Jan 30, 2012 at 9:38 PM, Noureddine BOUYAHIAOUI < nour.bouyahia...@free.fr> wrote: > Hi, > > In my reads about HBase, I understand that, The HRegionServer (n time > HRegion) use sequence number ( AtomicLong ) to version each key/value > stored in WAL. > > Please can you give me some details about this notion, for example how > HRegionServer create his sequence number, and why we use it. Is't > considered as version identifier? > > Best regards. > > Noureddine Bouyahiaoui > > > >
