Hello JM, You might find these post by Lars useful : http://www.larsgeorge.com/2009/01/changing-hbase-tables-in-code.html http://www.larsgeorge.com/2009/05/hbase-schema-manager.html
I'm not sure whether this is exactly what you need, but I feel you could use something like this to achieve your goal. HTH Warm Regards, Tariq https://mtariq.jux.com/ cloudfront.blogspot.com On Wed, May 8, 2013 at 3:53 AM, Jean-Marc Spaggiari <jean-m...@spaggiari.org > wrote: > Hi, > > When we are doing an export, we are only exporting the data. Then when > we are importing that back, we need to make sure the table is > pre-splitted correctly else we might hotspot some servers. > > If you simply export then import without pre-splitting at all, you > will most probably brought some servers down because they will be > overwhelmed with splits and compactions. > > Do we have any tool to pre-split a table the same way another table is > already pre-splitted? > > Something like > > duplicate 'source_table', 'target_table' > > Which will create a new table called 'target_table' with exactly the > same parameters as 'source_table' and the same regions boundaries? > > If we don't have, will it be useful to have one? > > Or event something like: > > create 'target_table', 'f1', {SPLITS_MODEL => 'source_table'} > > > JM >
