Thanks, Chris BTW, is it possible to run a few HBase clients in a single JVM?
On Wed, Feb 4, 2009 at 6:28 PM, Chris K Wensel <[email protected]> wrote: > Hey Michael > > You could probably use Cascading to migrate data between HBase clusters. > http://wiki.apache.org/hadoop/Hbase/Cascading > > But the code currently doesn't support multiple HBase cluster clients in a > single JVM, but I'm sure it can be coded in quickly. (the code is hosted at > github, so is easily cloned and patched). > > A benefit of using Cascading would be the ability to put in quality checks, > or filter data very easily. > > I've already heard of users starting to migrate from HBase to a RDBMS using > Cascading, and also between Hypertable and Aster Data. Hopefully those > adapters will leak out for the rest of us to use. > > ckw > > On Feb 4, 2009, at 8:21 AM, Michael Dagaev wrote: > >> Hi, all >> >> I read HBASE-974 and HBASE-643 mentioned on the list >> but what do you think about copying tables from the production >> to a backup Hbase cluster ? I guess we do need a big iron >> for such a backup cluster. >> >> I understand that the copy can be implemented with MR >> but for now we can implement it just as a simple sequential script, >> which scans the tables of the production Hbase and writes the data >> to the backup Hbase. >> >> Does it make sense? >> >> Thank you for your cooperation, >> M. > > -- > Chris K Wensel > [email protected] > http://www.cascading.org/ > http://www.scaleunlimited.com/ > >
