See the UI. You can split your region. Or do it from the shell. Type 'tools'. You'll see a split command. St.Ack
On Mon, Nov 9, 2009 at 3:05 PM, Naresh Rapolu <[email protected]> wrote: > Hello, > > We are running a MapReduce program over HBase using TableMapper. But due > to the limited amount of data ( which is sitting in one region server) , > only 1 Map task is being spawned for the map phase. > We are aware that one Map Task is spawned for every region server that > contains keys in that table. But we want to have several Map tasks to > increase parallelism. Can we manually either specify the number of keys in > one region server or can we split the present region server ? > Thanks, > Naresh >
