So, seems that it went well. The only thing is that I don't have snappy on the new cluster so one table has 0 regions deployed, but expect that, seems pretty "simple". Thanks again.
2013/11/10 Jean-Marc Spaggiari <[email protected]> > Thanks Himanshu. I missed this section. So I will "simply" dump all HDFS > files to huge disks, move them, restore them on the other side and run > hbase upgrade... It seems to be pretty easy. I will update this thread with > the result... > > JM > > > 2013/11/10 Himanshu Vashishtha <[email protected]> > >> JM, >> >> Did you look at the upgrade section in the book, >> http://hbase.apache.org/upgrading.html#upgrade0.96 >> It does in-place upgrade of a 94 installation to 96. >> >> In case your 96 is fresh, you could dump/copy all your 94 data under root >> dir, and run the upgrade script. >> No, 96 doesn't convert each table automatically, one need to use the >> upgrade script. >> >> >> Himanshu >> >> >> On Sun, Nov 10, 2013 at 11:34 AM, Jean-Marc Spaggiari < >> [email protected]> wrote: >> >> > Hi, >> > >> > I have a 0.94 (hadoop 1.0.3) cluster that I want to migrate to a 0.96 >> > (hadoop 2.2.0) cluster. However, there is no network connection between >> the >> > 2 clusters... What's the best way to do that? >> > >> > I tried with a single table first. Did an extract from 0.94 to the local >> > disk using hadoop get of all the files into /hbase/tablename and tried >> to >> > re-import on the 0.96 side. I was able to see the table name, but not >> the >> > content. I guess because of namespace and others, it's not doable? >> > >> > Another option is to export in CVS format, then transfer. the files, and >> > re-import on the 0.96 side. But I would have liked to keep the regions >> > splits, etc. >> > >> > So the only working option I see for now is the CVS. Any other one? >> > >> > Next, if I'm able to get a network between the 2 clusters, then >> copytable >> > should be the best option? Or an I "simply" dist-cp with entire /hbase >> > folder? I guess this last option is not reall correct since I will have >> a >> > 0.94 format in the 0.96 cluster. Or will the 0.96 cluster automatically >> > convert each table with is in the old format? >> > >> > Thanks, >> > >> > JM >> > >> > >
